1638790920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{773}}^1$

素因数の和:957

約数の個数: 256

約数和(自身を含む): 5929459200

約数和(自身を除く): 4290668280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 151, 156, 180, 195, 216, 234, 260, 270, 302, 312, 351, 360, 390, 453, 468, 520, 540, 585, 604, 702, 755, 773, 780, 906, 936, 1080, 1170, 1208, 1359, 1404, 1510, 1546, 1560, 1755, 1812, 1963, 2265, 2319, 2340, 2718, 2808, 3020, 3092, 3510, 3624, 3865, 3926, 4077, 4530, 4638, 4680, 5436, 5889, 6040, 6184, 6795, 6957, 7020, 7730, 7852, 8154, 9060, 9276, 9815, 10049, 10872, 11595, 11778, 13590, 13914, 14040, 15460, 15704, 16308, 17667, 18120, 18552, 19630, 20098, 20385, 20871, 23190, 23556, 27180, 27828, 29445, 30147, 30920, 32616, 34785, 35334, 39260, 40196, 40770, 41742, 46380, 47112, 50245, 53001, 54360, 55656, 58890, 60294, 69570, 70668, 78520, 80392, 81540, 83484, 88335, 90441, 92760, 100490, 104355, 106002, 116723, 117780, 120588, 139140, 141336, 150735, 163080, 166968, 176670, 180882, 200980, 208710, 212004, 233446, 235560, 241176, 265005, 271323, 278280, 301470, 350169, 353340, 361764, 401960, 417420, 424008, 452205, 466892, 530010, 542646, 583615, 602940, 700338, 706680, 723528, 834840, 904410, 933784, 1050507, 1060020, 1085292, 1167230, 1205880, 1356615, 1400676, 1517399, 1750845, 1808820, 2101014, 2120040, 2170584, 2334460, 2713230, 2801352, 3034798, 3151521, 3501690, 3617640, 4202028, 4552197, 4668920, 5252535, 5426460, 6069596, 6303042, 7003380, 7586995, 8404056, 9104394, 10505070, 10852920, 12139192, 12606084, 13656591, 14006760, 15173990, 15757605, 18208788, 21010140, 22760985, 25212168, 27313182, 30347980, 31515210, 36417576, 40969773, 42020280, 45521970, 54626364, 60695960, 63030420, 68282955, 81939546, 91043940, 109252728, 126060840, 136565910, 163879092, 182087880, 204848865, 273131820, 327758184, 409697730, 546263640, 819395460, 1638790920]

約数ペア:

[(1, 1638790920), (2, 819395460), (3, 546263640), (4, 409697730), (5, 327758184), (6, 273131820), (8, 204848865), (9, 182087880), (10, 163879092), (12, 136565910), (13, 126060840), (15, 109252728), (18, 91043940), (20, 81939546), (24, 68282955), (26, 63030420), (27, 60695960), (30, 54626364), (36, 45521970), (39, 42020280), (40, 40969773), (45, 36417576), (52, 31515210), (54, 30347980), (60, 27313182), (65, 25212168), (72, 22760985), (78, 21010140), (90, 18208788), (104, 15757605), (108, 15173990), (117, 14006760), (120, 13656591), (130, 12606084), (135, 12139192), (151, 10852920), (156, 10505070), (180, 9104394), (195, 8404056), (216, 7586995), (234, 7003380), (260, 6303042), (270, 6069596), (302, 5426460), (312, 5252535), (351, 4668920), (360, 4552197), (390, 4202028), (453, 3617640), (468, 3501690), (520, 3151521), (540, 3034798), (585, 2801352), (604, 2713230), (702, 2334460), (755, 2170584), (773, 2120040), (780, 2101014), (906, 1808820), (936, 1750845), (1080, 1517399), (1170, 1400676), (1208, 1356615), (1359, 1205880), (1404, 1167230), (1510, 1085292), (1546, 1060020), (1560, 1050507), (1755, 933784), (1812, 904410), (1963, 834840), (2265, 723528), (2319, 706680), (2340, 700338), (2718, 602940), (2808, 583615), (3020, 542646), (3092, 530010), (3510, 466892), (3624, 452205), (3865, 424008), (3926, 417420), (4077, 401960), (4530, 361764), (4638, 353340), (4680, 350169), (5436, 301470), (5889, 278280), (6040, 271323), (6184, 265005), (6795, 241176), (6957, 235560), (7020, 233446), (7730, 212004), (7852, 208710), (8154, 200980), (9060, 180882), (9276, 176670), (9815, 166968), (10049, 163080), (10872, 150735), (11595, 141336), (11778, 139140), (13590, 120588), (13914, 117780), (14040, 116723), (15460, 106002), (15704, 104355), (16308, 100490), (17667, 92760), (18120, 90441), (18552, 88335), (19630, 83484), (20098, 81540), (20385, 80392), (20871, 78520), (23190, 70668), (23556, 69570), (27180, 60294), (27828, 58890), (29445, 55656), (30147, 54360), (30920, 53001), (32616, 50245), (34785, 47112), (35334, 46380), (39260, 41742), (40196, 40770)]