258170640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11821}}^1$

素因数の和:11857

約数の個数: 160

約数和(自身を含む): 985103616

約数和(自身を除く): 726932976

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 11821, 21840, 23642, 35463, 47284, 59105, 70926, 82747, 94568, 118210, 141852, 153673, 165494, 177315, 189136, 236420, 248241, 283704, 307346, 330988, 354630, 413735, 461019, 472840, 496482, 567408, 614692, 661976, 709260, 768365, 827470, 922038, 945680, 992964, 1075711, 1229384, 1241205, 1323952, 1418520, 1536730, 1654940, 1844076, 1985928, 2151422, 2305095, 2458768, 2482410, 2837040, 3073460, 3227133, 3309880, 3688152, 3971856, 4302844, 4610190, 4964820, 5378555, 6146920, 6454266, 6619760, 7376304, 8605688, 9220380, 9929640, 10757110, 12293840, 12908532, 16135665, 17211376, 18440760, 19859280, 21514220, 25817064, 32271330, 36881520, 43028440, 51634128, 64542660, 86056880, 129085320, 258170640]

約数ペア:

[(1, 258170640), (2, 129085320), (3, 86056880), (4, 64542660), (5, 51634128), (6, 43028440), (7, 36881520), (8, 32271330), (10, 25817064), (12, 21514220), (13, 19859280), (14, 18440760), (15, 17211376), (16, 16135665), (20, 12908532), (21, 12293840), (24, 10757110), (26, 9929640), (28, 9220380), (30, 8605688), (35, 7376304), (39, 6619760), (40, 6454266), (42, 6146920), (48, 5378555), (52, 4964820), (56, 4610190), (60, 4302844), (65, 3971856), (70, 3688152), (78, 3309880), (80, 3227133), (84, 3073460), (91, 2837040), (104, 2482410), (105, 2458768), (112, 2305095), (120, 2151422), (130, 1985928), (140, 1844076), (156, 1654940), (168, 1536730), (182, 1418520), (195, 1323952), (208, 1241205), (210, 1229384), (240, 1075711), (260, 992964), (273, 945680), (280, 922038), (312, 827470), (336, 768365), (364, 709260), (390, 661976), (420, 614692), (455, 567408), (520, 496482), (546, 472840), (560, 461019), (624, 413735), (728, 354630), (780, 330988), (840, 307346), (910, 283704), (1040, 248241), (1092, 236420), (1365, 189136), (1456, 177315), (1560, 165494), (1680, 153673), (1820, 141852), (2184, 118210), (2730, 94568), (3120, 82747), (3640, 70926), (4368, 59105), (5460, 47284), (7280, 35463), (10920, 23642), (11821, 21840)]