87621720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 128

約数和(自身を含む): 279936000

約数和(自身を除く): 192314280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 53, 60, 69, 92, 106, 115, 120, 138, 159, 184, 212, 230, 265, 276, 318, 345, 424, 460, 530, 552, 599, 636, 690, 795, 920, 1060, 1198, 1219, 1272, 1380, 1590, 1797, 2120, 2396, 2438, 2760, 2995, 3180, 3594, 3657, 4792, 4876, 5990, 6095, 6360, 7188, 7314, 8985, 9752, 11980, 12190, 13777, 14376, 14628, 17970, 18285, 23960, 24380, 27554, 29256, 31747, 35940, 36570, 41331, 48760, 55108, 63494, 68885, 71880, 73140, 82662, 95241, 110216, 126988, 137770, 146280, 158735, 165324, 190482, 206655, 253976, 275540, 317470, 330648, 380964, 413310, 476205, 551080, 634940, 730181, 761928, 826620, 952410, 1269880, 1460362, 1653240, 1904820, 2190543, 2920724, 3650905, 3809640, 4381086, 5841448, 7301810, 8762172, 10952715, 14603620, 17524344, 21905430, 29207240, 43810860, 87621720]

約数ペア:

[(1, 87621720), (2, 43810860), (3, 29207240), (4, 21905430), (5, 17524344), (6, 14603620), (8, 10952715), (10, 8762172), (12, 7301810), (15, 5841448), (20, 4381086), (23, 3809640), (24, 3650905), (30, 2920724), (40, 2190543), (46, 1904820), (53, 1653240), (60, 1460362), (69, 1269880), (92, 952410), (106, 826620), (115, 761928), (120, 730181), (138, 634940), (159, 551080), (184, 476205), (212, 413310), (230, 380964), (265, 330648), (276, 317470), (318, 275540), (345, 253976), (424, 206655), (460, 190482), (530, 165324), (552, 158735), (599, 146280), (636, 137770), (690, 126988), (795, 110216), (920, 95241), (1060, 82662), (1198, 73140), (1219, 71880), (1272, 68885), (1380, 63494), (1590, 55108), (1797, 48760), (2120, 41331), (2396, 36570), (2438, 35940), (2760, 31747), (2995, 29256), (3180, 27554), (3594, 24380), (3657, 23960), (4792, 18285), (4876, 17970), (5990, 14628), (6095, 14376), (6360, 13777), (7188, 12190), (7314, 11980), (8985, 9752)]