20219956560

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{25931}}^1$

素因数の和:25991

約数の個数: 240

約数和(自身を含む): 73507884480

約数和(自身を除く): 53287927920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 361, 380, 432, 456, 513, 540, 570, 684, 720, 722, 760, 855, 912, 1026, 1080, 1083, 1140, 1368, 1444, 1520, 1710, 1805, 2052, 2160, 2166, 2280, 2565, 2736, 2888, 3249, 3420, 3610, 4104, 4332, 4560, 5130, 5415, 5776, 6498, 6840, 7220, 8208, 8664, 9747, 10260, 10830, 12996, 13680, 14440, 16245, 17328, 19494, 20520, 21660, 25931, 25992, 28880, 32490, 38988, 41040, 43320, 48735, 51862, 51984, 64980, 77793, 77976, 86640, 97470, 103724, 129655, 129960, 155586, 155952, 194940, 207448, 233379, 259310, 259920, 311172, 388965, 389880, 414896, 466758, 492689, 518620, 622344, 700137, 777930, 779760, 933516, 985378, 1037240, 1166895, 1244688, 1400274, 1478067, 1555860, 1867032, 1970756, 2074480, 2333790, 2463445, 2800548, 2956134, 3111720, 3500685, 3734064, 3941512, 4434201, 4667580, 4926890, 5601096, 5912268, 6223440, 7001370, 7390335, 7883024, 8868402, 9335160, 9361091, 9853780, 11202192, 11824536, 13302603, 14002740, 14780670, 17736804, 18670320, 18722182, 19707560, 22171005, 23649072, 26605206, 28005480, 28083273, 29561340, 35473608, 37444364, 39415120, 44342010, 46805455, 53210412, 56010960, 56166546, 59122680, 66513015, 70947216, 74888728, 84249819, 88684020, 93610910, 106420824, 112333092, 118245360, 133026030, 140416365, 149777456, 168499638, 177368040, 187221820, 212841648, 224666184, 252749457, 266052060, 280832730, 336999276, 354736080, 374443640, 421249095, 449332368, 505498914, 532104120, 561665460, 673998552, 748887280, 842498190, 1010997828, 1064208240, 1123330920, 1263747285, 1347997104, 1684996380, 2021995656, 2246661840, 2527494570, 3369992760, 4043991312, 5054989140, 6739985520, 10109978280, 20219956560]

約数ペア:

[(1, 20219956560), (2, 10109978280), (3, 6739985520), (4, 5054989140), (5, 4043991312), (6, 3369992760), (8, 2527494570), (9, 2246661840), (10, 2021995656), (12, 1684996380), (15, 1347997104), (16, 1263747285), (18, 1123330920), (19, 1064208240), (20, 1010997828), (24, 842498190), (27, 748887280), (30, 673998552), (36, 561665460), (38, 532104120), (40, 505498914), (45, 449332368), (48, 421249095), (54, 374443640), (57, 354736080), (60, 336999276), (72, 280832730), (76, 266052060), (80, 252749457), (90, 224666184), (95, 212841648), (108, 187221820), (114, 177368040), (120, 168499638), (135, 149777456), (144, 140416365), (152, 133026030), (171, 118245360), (180, 112333092), (190, 106420824), (216, 93610910), (228, 88684020), (240, 84249819), (270, 74888728), (285, 70947216), (304, 66513015), (342, 59122680), (360, 56166546), (361, 56010960), (380, 53210412), (432, 46805455), (456, 44342010), (513, 39415120), (540, 37444364), (570, 35473608), (684, 29561340), (720, 28083273), (722, 28005480), (760, 26605206), (855, 23649072), (912, 22171005), (1026, 19707560), (1080, 18722182), (1083, 18670320), (1140, 17736804), (1368, 14780670), (1444, 14002740), (1520, 13302603), (1710, 11824536), (1805, 11202192), (2052, 9853780), (2160, 9361091), (2166, 9335160), (2280, 8868402), (2565, 7883024), (2736, 7390335), (2888, 7001370), (3249, 6223440), (3420, 5912268), (3610, 5601096), (4104, 4926890), (4332, 4667580), (4560, 4434201), (5130, 3941512), (5415, 3734064), (5776, 3500685), (6498, 3111720), (6840, 2956134), (7220, 2800548), (8208, 2463445), (8664, 2333790), (9747, 2074480), (10260, 1970756), (10830, 1867032), (12996, 1555860), (13680, 1478067), (14440, 1400274), (16245, 1244688), (17328, 1166895), (19494, 1037240), (20520, 985378), (21660, 933516), (25931, 779760), (25992, 777930), (28880, 700137), (32490, 622344), (38988, 518620), (41040, 492689), (43320, 466758), (48735, 414896), (51862, 389880), (51984, 388965), (64980, 311172), (77793, 259920), (77976, 259310), (86640, 233379), (97470, 207448), (103724, 194940), (129655, 155952), (129960, 155586)]