90006280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:423

約数の個数: 128

約数和(自身を含む): 253209600

約数和(自身を除く): 163203320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 91, 104, 130, 140, 158, 182, 260, 280, 313, 316, 364, 395, 455, 520, 553, 626, 632, 728, 790, 910, 1027, 1106, 1252, 1565, 1580, 1820, 2054, 2191, 2212, 2504, 2765, 3130, 3160, 3640, 4069, 4108, 4382, 4424, 5135, 5530, 6260, 7189, 8138, 8216, 8764, 10270, 10955, 11060, 12520, 14378, 16276, 17528, 20345, 20540, 21910, 22120, 24727, 28483, 28756, 32552, 35945, 40690, 41080, 43820, 49454, 56966, 57512, 71890, 81380, 87640, 98908, 113932, 123635, 142415, 143780, 162760, 173089, 197816, 227864, 247270, 284830, 287560, 321451, 346178, 494540, 569660, 642902, 692356, 865445, 989080, 1139320, 1285804, 1384712, 1607255, 1730890, 2250157, 2571608, 3214510, 3461780, 4500314, 6429020, 6923560, 9000628, 11250785, 12858040, 18001256, 22501570, 45003140, 90006280]

約数ペア:

[(1, 90006280), (2, 45003140), (4, 22501570), (5, 18001256), (7, 12858040), (8, 11250785), (10, 9000628), (13, 6923560), (14, 6429020), (20, 4500314), (26, 3461780), (28, 3214510), (35, 2571608), (40, 2250157), (52, 1730890), (56, 1607255), (65, 1384712), (70, 1285804), (79, 1139320), (91, 989080), (104, 865445), (130, 692356), (140, 642902), (158, 569660), (182, 494540), (260, 346178), (280, 321451), (313, 287560), (316, 284830), (364, 247270), (395, 227864), (455, 197816), (520, 173089), (553, 162760), (626, 143780), (632, 142415), (728, 123635), (790, 113932), (910, 98908), (1027, 87640), (1106, 81380), (1252, 71890), (1565, 57512), (1580, 56966), (1820, 49454), (2054, 43820), (2191, 41080), (2212, 40690), (2504, 35945), (2765, 32552), (3130, 28756), (3160, 28483), (3640, 24727), (4069, 22120), (4108, 21910), (4382, 20540), (4424, 20345), (5135, 17528), (5530, 16276), (6260, 14378), (7189, 12520), (8138, 11060), (8216, 10955), (8764, 10270)]