400901040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:648

約数の個数: 240

約数和(自身を含む): 1440122112

約数和(自身を除く): 1039221072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 43, 45, 46, 48, 60, 69, 72, 80, 86, 90, 92, 115, 120, 129, 138, 144, 172, 180, 184, 207, 215, 230, 240, 258, 276, 344, 345, 360, 368, 387, 414, 430, 460, 516, 552, 563, 645, 688, 690, 720, 774, 828, 860, 920, 989, 1032, 1035, 1104, 1126, 1290, 1380, 1548, 1656, 1689, 1720, 1840, 1935, 1978, 2064, 2070, 2252, 2580, 2760, 2815, 2967, 3096, 3312, 3378, 3440, 3870, 3956, 4140, 4504, 4945, 5067, 5160, 5520, 5630, 5934, 6192, 6756, 7740, 7912, 8280, 8445, 8901, 9008, 9890, 10134, 10320, 11260, 11868, 12949, 13512, 14835, 15480, 15824, 16560, 16890, 17802, 19780, 20268, 22520, 23736, 24209, 25335, 25898, 27024, 29670, 30960, 33780, 35604, 38847, 39560, 40536, 44505, 45040, 47472, 48418, 50670, 51796, 59340, 64745, 67560, 71208, 72627, 77694, 79120, 81072, 89010, 96836, 101340, 103592, 116541, 118680, 121045, 129490, 135120, 142416, 145254, 155388, 178020, 193672, 194235, 202680, 207184, 217881, 233082, 237360, 242090, 258980, 290508, 310776, 356040, 363135, 387344, 388470, 405360, 435762, 466164, 484180, 517960, 556807, 581016, 582705, 621552, 712080, 726270, 776940, 871524, 932328, 968360, 1035920, 1089405, 1113614, 1162032, 1165410, 1452540, 1553880, 1670421, 1743048, 1864656, 1936720, 2178810, 2227228, 2330820, 2784035, 2905080, 3107760, 3340842, 3486096, 4357620, 4454456, 4661640, 5011263, 5568070, 5810160, 6681684, 8352105, 8715240, 8908912, 9323280, 10022526, 11136140, 13363368, 16704210, 17430480, 20045052, 22272280, 25056315, 26726736, 33408420, 40090104, 44544560, 50112630, 66816840, 80180208, 100225260, 133633680, 200450520, 400901040]

約数ペア:

[(1, 400901040), (2, 200450520), (3, 133633680), (4, 100225260), (5, 80180208), (6, 66816840), (8, 50112630), (9, 44544560), (10, 40090104), (12, 33408420), (15, 26726736), (16, 25056315), (18, 22272280), (20, 20045052), (23, 17430480), (24, 16704210), (30, 13363368), (36, 11136140), (40, 10022526), (43, 9323280), (45, 8908912), (46, 8715240), (48, 8352105), (60, 6681684), (69, 5810160), (72, 5568070), (80, 5011263), (86, 4661640), (90, 4454456), (92, 4357620), (115, 3486096), (120, 3340842), (129, 3107760), (138, 2905080), (144, 2784035), (172, 2330820), (180, 2227228), (184, 2178810), (207, 1936720), (215, 1864656), (230, 1743048), (240, 1670421), (258, 1553880), (276, 1452540), (344, 1165410), (345, 1162032), (360, 1113614), (368, 1089405), (387, 1035920), (414, 968360), (430, 932328), (460, 871524), (516, 776940), (552, 726270), (563, 712080), (645, 621552), (688, 582705), (690, 581016), (720, 556807), (774, 517960), (828, 484180), (860, 466164), (920, 435762), (989, 405360), (1032, 388470), (1035, 387344), (1104, 363135), (1126, 356040), (1290, 310776), (1380, 290508), (1548, 258980), (1656, 242090), (1689, 237360), (1720, 233082), (1840, 217881), (1935, 207184), (1978, 202680), (2064, 194235), (2070, 193672), (2252, 178020), (2580, 155388), (2760, 145254), (2815, 142416), (2967, 135120), (3096, 129490), (3312, 121045), (3378, 118680), (3440, 116541), (3870, 103592), (3956, 101340), (4140, 96836), (4504, 89010), (4945, 81072), (5067, 79120), (5160, 77694), (5520, 72627), (5630, 71208), (5934, 67560), (6192, 64745), (6756, 59340), (7740, 51796), (7912, 50670), (8280, 48418), (8445, 47472), (8901, 45040), (9008, 44505), (9890, 40536), (10134, 39560), (10320, 38847), (11260, 35604), (11868, 33780), (12949, 30960), (13512, 29670), (14835, 27024), (15480, 25898), (15824, 25335), (16560, 24209), (16890, 23736), (17802, 22520), (19780, 20268)]