18985845840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{2689}}^1$

素因数の和:2822

約数の個数: 320

約数和(自身を含む): 66349086720

約数和(自身を除く): 47363240880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 73, 78, 80, 93, 104, 120, 124, 130, 146, 155, 156, 186, 195, 208, 219, 240, 248, 260, 292, 310, 312, 365, 372, 390, 403, 438, 465, 496, 520, 584, 620, 624, 730, 744, 780, 806, 876, 930, 949, 1040, 1095, 1168, 1209, 1240, 1460, 1488, 1560, 1612, 1752, 1860, 1898, 2015, 2190, 2263, 2418, 2480, 2689, 2847, 2920, 3120, 3224, 3504, 3720, 3796, 4030, 4380, 4526, 4745, 4836, 5378, 5694, 5840, 6045, 6448, 6789, 7440, 7592, 8060, 8067, 8760, 9052, 9490, 9672, 10756, 11315, 11388, 12090, 13445, 13578, 14235, 15184, 16120, 16134, 17520, 18104, 18980, 19344, 21512, 22630, 22776, 24180, 26890, 27156, 28470, 29419, 32240, 32268, 33945, 34957, 36208, 37960, 40335, 43024, 45260, 45552, 48360, 53780, 54312, 56940, 58838, 64536, 67890, 69914, 75920, 80670, 83359, 88257, 90520, 96720, 104871, 107560, 108624, 113880, 117676, 129072, 135780, 139828, 147095, 161340, 166718, 174785, 176514, 181040, 196297, 209742, 215120, 227760, 235352, 250077, 271560, 279656, 294190, 322680, 333436, 349570, 353028, 392594, 416795, 419484, 441285, 470704, 500154, 524355, 543120, 559312, 588380, 588891, 645360, 666872, 699140, 706056, 785188, 833590, 838968, 882570, 981485, 1000308, 1048710, 1083667, 1176760, 1177782, 1250385, 1333744, 1398280, 1412112, 1570376, 1667180, 1677936, 1765140, 1962970, 2000616, 2097420, 2167334, 2353520, 2355564, 2500770, 2551861, 2796560, 2944455, 3140752, 3251001, 3334360, 3530280, 3925940, 4001232, 4194840, 4334668, 4711128, 5001540, 5103722, 5418335, 5888910, 6085207, 6502002, 6668720, 7060560, 7655583, 7851880, 8389680, 8669336, 9422256, 10003080, 10207444, 10836670, 11777820, 12170414, 12759305, 13004004, 15311166, 15703760, 16255005, 17338672, 18255621, 20006160, 20414888, 21673340, 23555640, 24340828, 25518610, 26008008, 30426035, 30622332, 32510010, 36511242, 38277915, 40829776, 43346680, 47111280, 48681656, 51037220, 52016016, 60852070, 61244664, 65020020, 73022484, 76555830, 79107691, 86693360, 91278105, 97363312, 102074440, 121704140, 122489328, 130040040, 146044968, 153111660, 158215382, 182556210, 204148880, 237323073, 243408280, 260080080, 292089936, 306223320, 316430764, 365112420, 395538455, 474646146, 486816560, 612446640, 632861528, 730224840, 791076910, 949292292, 1186615365, 1265723056, 1460449680, 1582153820, 1898584584, 2373230730, 3164307640, 3797169168, 4746461460, 6328615280, 9492922920, 18985845840]

約数ペア:

[(1, 18985845840), (2, 9492922920), (3, 6328615280), (4, 4746461460), (5, 3797169168), (6, 3164307640), (8, 2373230730), (10, 1898584584), (12, 1582153820), (13, 1460449680), (15, 1265723056), (16, 1186615365), (20, 949292292), (24, 791076910), (26, 730224840), (30, 632861528), (31, 612446640), (39, 486816560), (40, 474646146), (48, 395538455), (52, 365112420), (60, 316430764), (62, 306223320), (65, 292089936), (73, 260080080), (78, 243408280), (80, 237323073), (93, 204148880), (104, 182556210), (120, 158215382), (124, 153111660), (130, 146044968), (146, 130040040), (155, 122489328), (156, 121704140), (186, 102074440), (195, 97363312), (208, 91278105), (219, 86693360), (240, 79107691), (248, 76555830), (260, 73022484), (292, 65020020), (310, 61244664), (312, 60852070), (365, 52016016), (372, 51037220), (390, 48681656), (403, 47111280), (438, 43346680), (465, 40829776), (496, 38277915), (520, 36511242), (584, 32510010), (620, 30622332), (624, 30426035), (730, 26008008), (744, 25518610), (780, 24340828), (806, 23555640), (876, 21673340), (930, 20414888), (949, 20006160), (1040, 18255621), (1095, 17338672), (1168, 16255005), (1209, 15703760), (1240, 15311166), (1460, 13004004), (1488, 12759305), (1560, 12170414), (1612, 11777820), (1752, 10836670), (1860, 10207444), (1898, 10003080), (2015, 9422256), (2190, 8669336), (2263, 8389680), (2418, 7851880), (2480, 7655583), (2689, 7060560), (2847, 6668720), (2920, 6502002), (3120, 6085207), (3224, 5888910), (3504, 5418335), (3720, 5103722), (3796, 5001540), (4030, 4711128), (4380, 4334668), (4526, 4194840), (4745, 4001232), (4836, 3925940), (5378, 3530280), (5694, 3334360), (5840, 3251001), (6045, 3140752), (6448, 2944455), (6789, 2796560), (7440, 2551861), (7592, 2500770), (8060, 2355564), (8067, 2353520), (8760, 2167334), (9052, 2097420), (9490, 2000616), (9672, 1962970), (10756, 1765140), (11315, 1677936), (11388, 1667180), (12090, 1570376), (13445, 1412112), (13578, 1398280), (14235, 1333744), (15184, 1250385), (16120, 1177782), (16134, 1176760), (17520, 1083667), (18104, 1048710), (18980, 1000308), (19344, 981485), (21512, 882570), (22630, 838968), (22776, 833590), (24180, 785188), (26890, 706056), (27156, 699140), (28470, 666872), (29419, 645360), (32240, 588891), (32268, 588380), (33945, 559312), (34957, 543120), (36208, 524355), (37960, 500154), (40335, 470704), (43024, 441285), (45260, 419484), (45552, 416795), (48360, 392594), (53780, 353028), (54312, 349570), (56940, 333436), (58838, 322680), (64536, 294190), (67890, 279656), (69914, 271560), (75920, 250077), (80670, 235352), (83359, 227760), (88257, 215120), (90520, 209742), (96720, 196297), (104871, 181040), (107560, 176514), (108624, 174785), (113880, 166718), (117676, 161340), (129072, 147095), (135780, 139828)]