4007640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{367}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 14837760

約数和(自身を除く): 10830120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 367, 390, 420, 455, 520, 546, 728, 734, 780, 840, 910, 1092, 1101, 1365, 1468, 1560, 1820, 1835, 2184, 2202, 2569, 2730, 2936, 3640, 3670, 4404, 4771, 5138, 5460, 5505, 7340, 7707, 8808, 9542, 10276, 10920, 11010, 12845, 14313, 14680, 15414, 19084, 20552, 22020, 23855, 25690, 28626, 30828, 33397, 38168, 38535, 44040, 47710, 51380, 57252, 61656, 66794, 71565, 77070, 95420, 100191, 102760, 114504, 133588, 143130, 154140, 166985, 190840, 200382, 267176, 286260, 308280, 333970, 400764, 500955, 572520, 667940, 801528, 1001910, 1335880, 2003820, 4007640]

約数ペア:

[(1, 4007640), (2, 2003820), (3, 1335880), (4, 1001910), (5, 801528), (6, 667940), (7, 572520), (8, 500955), (10, 400764), (12, 333970), (13, 308280), (14, 286260), (15, 267176), (20, 200382), (21, 190840), (24, 166985), (26, 154140), (28, 143130), (30, 133588), (35, 114504), (39, 102760), (40, 100191), (42, 95420), (52, 77070), (56, 71565), (60, 66794), (65, 61656), (70, 57252), (78, 51380), (84, 47710), (91, 44040), (104, 38535), (105, 38168), (120, 33397), (130, 30828), (140, 28626), (156, 25690), (168, 23855), (182, 22020), (195, 20552), (210, 19084), (260, 15414), (273, 14680), (280, 14313), (312, 12845), (364, 11010), (367, 10920), (390, 10276), (420, 9542), (455, 8808), (520, 7707), (546, 7340), (728, 5505), (734, 5460), (780, 5138), (840, 4771), (910, 4404), (1092, 3670), (1101, 3640), (1365, 2936), (1468, 2730), (1560, 2569), (1820, 2202), (1835, 2184)]