64781080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^2$

素因数の和:118

約数の個数: 144

約数和(自身を含む): 185386320

約数和(自身を除く): 120605240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 169, 182, 185, 259, 260, 280, 296, 338, 364, 370, 455, 481, 518, 520, 676, 728, 740, 845, 910, 962, 1036, 1183, 1295, 1352, 1369, 1480, 1690, 1820, 1924, 2072, 2366, 2405, 2590, 2738, 3367, 3380, 3640, 3848, 4732, 4810, 5180, 5476, 5915, 6253, 6734, 6760, 6845, 9464, 9583, 9620, 10360, 10952, 11830, 12506, 13468, 13690, 16835, 17797, 19166, 19240, 23660, 25012, 26936, 27380, 31265, 33670, 35594, 38332, 43771, 47320, 47915, 50024, 54760, 62530, 67340, 71188, 76664, 87542, 88985, 95830, 124579, 125060, 134680, 142376, 175084, 177970, 191660, 218855, 231361, 249158, 250120, 350168, 355940, 383320, 437710, 462722, 498316, 622895, 711880, 875420, 925444, 996632, 1156805, 1245790, 1619527, 1750840, 1850888, 2313610, 2491580, 3239054, 4627220, 4983160, 6478108, 8097635, 9254440, 12956216, 16195270, 32390540, 64781080]

約数ペア:

[(1, 64781080), (2, 32390540), (4, 16195270), (5, 12956216), (7, 9254440), (8, 8097635), (10, 6478108), (13, 4983160), (14, 4627220), (20, 3239054), (26, 2491580), (28, 2313610), (35, 1850888), (37, 1750840), (40, 1619527), (52, 1245790), (56, 1156805), (65, 996632), (70, 925444), (74, 875420), (91, 711880), (104, 622895), (130, 498316), (140, 462722), (148, 437710), (169, 383320), (182, 355940), (185, 350168), (259, 250120), (260, 249158), (280, 231361), (296, 218855), (338, 191660), (364, 177970), (370, 175084), (455, 142376), (481, 134680), (518, 125060), (520, 124579), (676, 95830), (728, 88985), (740, 87542), (845, 76664), (910, 71188), (962, 67340), (1036, 62530), (1183, 54760), (1295, 50024), (1352, 47915), (1369, 47320), (1480, 43771), (1690, 38332), (1820, 35594), (1924, 33670), (2072, 31265), (2366, 27380), (2405, 26936), (2590, 25012), (2738, 23660), (3367, 19240), (3380, 19166), (3640, 17797), (3848, 16835), (4732, 13690), (4810, 13468), (5180, 12506), (5476, 11830), (5915, 10952), (6253, 10360), (6734, 9620), (6760, 9583), (6845, 9464)]