257722920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7867}}^1$

素因数の和:7904

約数の個数: 192

約数和(自身を含む): 1031022720

約数和(自身を除く): 773299800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 7867, 8190, 10920, 15734, 16380, 23601, 31468, 32760, 39335, 47202, 55069, 62936, 70803, 78670, 94404, 102271, 110138, 118005, 141606, 157340, 165207, 188808, 204542, 220276, 236010, 275345, 283212, 306813, 314680, 330414, 354015, 409084, 440552, 472020, 495621, 511355, 550690, 566424, 613626, 660828, 708030, 715897, 818168, 826035, 920439, 944040, 991242, 1022710, 1101380, 1227252, 1321656, 1416060, 1431794, 1534065, 1652070, 1840878, 1982484, 2045420, 2147691, 2202760, 2454504, 2478105, 2832120, 2863588, 3068130, 3304140, 3579485, 3681756, 3964968, 4090840, 4295382, 4602195, 4956210, 5727176, 6136260, 6443073, 6608280, 7158970, 7363512, 8590764, 9204390, 9912420, 10738455, 12272520, 12886146, 14317940, 17181528, 18408780, 19824840, 21476910, 25772292, 28635880, 32215365, 36817560, 42953820, 51544584, 64430730, 85907640, 128861460, 257722920]

約数ペア:

[(1, 257722920), (2, 128861460), (3, 85907640), (4, 64430730), (5, 51544584), (6, 42953820), (7, 36817560), (8, 32215365), (9, 28635880), (10, 25772292), (12, 21476910), (13, 19824840), (14, 18408780), (15, 17181528), (18, 14317940), (20, 12886146), (21, 12272520), (24, 10738455), (26, 9912420), (28, 9204390), (30, 8590764), (35, 7363512), (36, 7158970), (39, 6608280), (40, 6443073), (42, 6136260), (45, 5727176), (52, 4956210), (56, 4602195), (60, 4295382), (63, 4090840), (65, 3964968), (70, 3681756), (72, 3579485), (78, 3304140), (84, 3068130), (90, 2863588), (91, 2832120), (104, 2478105), (105, 2454504), (117, 2202760), (120, 2147691), (126, 2045420), (130, 1982484), (140, 1840878), (156, 1652070), (168, 1534065), (180, 1431794), (182, 1416060), (195, 1321656), (210, 1227252), (234, 1101380), (252, 1022710), (260, 991242), (273, 944040), (280, 920439), (312, 826035), (315, 818168), (360, 715897), (364, 708030), (390, 660828), (420, 613626), (455, 566424), (468, 550690), (504, 511355), (520, 495621), (546, 472020), (585, 440552), (630, 409084), (728, 354015), (780, 330414), (819, 314680), (840, 306813), (910, 283212), (936, 275345), (1092, 236010), (1170, 220276), (1260, 204542), (1365, 188808), (1560, 165207), (1638, 157340), (1820, 141606), (2184, 118005), (2340, 110138), (2520, 102271), (2730, 94404), (3276, 78670), (3640, 70803), (4095, 62936), (4680, 55069), (5460, 47202), (6552, 39335), (7867, 32760), (8190, 31468), (10920, 23601), (15734, 16380)]