210392040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2459}}^1$

素因数の和:2527

約数の個数: 128

約数和(自身を含む): 680140800

約数和(自身を除く): 469748760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 920, 930, 1240, 1380, 1426, 1860, 2139, 2459, 2760, 2852, 3565, 3720, 4278, 4918, 5704, 7130, 7377, 8556, 9836, 10695, 12295, 14260, 14754, 17112, 19672, 21390, 24590, 28520, 29508, 36885, 42780, 49180, 56557, 59016, 73770, 76229, 85560, 98360, 113114, 147540, 152458, 169671, 226228, 228687, 282785, 295080, 304916, 339342, 381145, 452456, 457374, 565570, 609832, 678684, 762290, 848355, 914748, 1131140, 1143435, 1357368, 1524580, 1696710, 1753267, 1829496, 2262280, 2286870, 3049160, 3393420, 3506534, 4573740, 5259801, 6786840, 7013068, 8766335, 9147480, 10519602, 14026136, 17532670, 21039204, 26299005, 35065340, 42078408, 52598010, 70130680, 105196020, 210392040]

約数ペア:

[(1, 210392040), (2, 105196020), (3, 70130680), (4, 52598010), (5, 42078408), (6, 35065340), (8, 26299005), (10, 21039204), (12, 17532670), (15, 14026136), (20, 10519602), (23, 9147480), (24, 8766335), (30, 7013068), (31, 6786840), (40, 5259801), (46, 4573740), (60, 3506534), (62, 3393420), (69, 3049160), (92, 2286870), (93, 2262280), (115, 1829496), (120, 1753267), (124, 1696710), (138, 1524580), (155, 1357368), (184, 1143435), (186, 1131140), (230, 914748), (248, 848355), (276, 762290), (310, 678684), (345, 609832), (372, 565570), (460, 457374), (465, 452456), (552, 381145), (620, 339342), (690, 304916), (713, 295080), (744, 282785), (920, 228687), (930, 226228), (1240, 169671), (1380, 152458), (1426, 147540), (1860, 113114), (2139, 98360), (2459, 85560), (2760, 76229), (2852, 73770), (3565, 59016), (3720, 56557), (4278, 49180), (4918, 42780), (5704, 36885), (7130, 29508), (7377, 28520), (8556, 24590), (9836, 21390), (10695, 19672), (12295, 17112), (14260, 14754)]