644793240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:602

約数の個数: 256

約数和(自身を含む): 2403717120

約数和(自身を除く): 1758923880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 137, 140, 156, 168, 182, 195, 210, 260, 273, 274, 280, 312, 364, 390, 411, 420, 431, 455, 520, 546, 548, 685, 728, 780, 822, 840, 862, 910, 959, 1092, 1096, 1293, 1365, 1370, 1560, 1644, 1724, 1781, 1820, 1918, 2055, 2155, 2184, 2586, 2730, 2740, 2877, 3017, 3288, 3448, 3562, 3640, 3836, 4110, 4310, 4795, 5172, 5343, 5460, 5480, 5603, 5754, 6034, 6465, 7124, 7672, 8220, 8620, 8905, 9051, 9590, 10344, 10686, 10920, 11206, 11508, 12068, 12467, 12930, 14248, 14385, 15085, 16440, 16809, 17240, 17810, 18102, 19180, 21372, 22412, 23016, 24136, 24934, 25860, 26715, 28015, 28770, 30170, 33618, 35620, 36204, 37401, 38360, 39221, 42744, 44824, 45255, 49868, 51720, 53430, 56030, 57540, 59047, 60340, 62335, 67236, 71240, 72408, 74802, 78442, 84045, 90510, 99736, 106860, 112060, 115080, 117663, 118094, 120680, 124670, 134472, 149604, 156884, 168090, 177141, 181020, 187005, 196105, 213720, 224120, 235326, 236188, 249340, 295235, 299208, 313768, 336180, 354282, 362040, 374010, 392210, 413329, 470652, 472376, 498680, 588315, 590470, 672360, 708564, 748020, 767611, 784420, 826658, 885705, 941304, 1176630, 1180940, 1239987, 1417128, 1496040, 1535222, 1568840, 1653316, 1771410, 2066645, 2302833, 2353260, 2361880, 2479974, 3070444, 3306632, 3542820, 3838055, 4133290, 4605666, 4706520, 4959948, 5373277, 6140888, 6199935, 7085640, 7676110, 8266580, 9211332, 9919896, 10746554, 11514165, 12399870, 15352220, 16119831, 16533160, 18422664, 21493108, 23028330, 24799740, 26866385, 30704440, 32239662, 42986216, 46056660, 49599480, 53732770, 64479324, 80599155, 92113320, 107465540, 128958648, 161198310, 214931080, 322396620, 644793240]

約数ペア:

[(1, 644793240), (2, 322396620), (3, 214931080), (4, 161198310), (5, 128958648), (6, 107465540), (7, 92113320), (8, 80599155), (10, 64479324), (12, 53732770), (13, 49599480), (14, 46056660), (15, 42986216), (20, 32239662), (21, 30704440), (24, 26866385), (26, 24799740), (28, 23028330), (30, 21493108), (35, 18422664), (39, 16533160), (40, 16119831), (42, 15352220), (52, 12399870), (56, 11514165), (60, 10746554), (65, 9919896), (70, 9211332), (78, 8266580), (84, 7676110), (91, 7085640), (104, 6199935), (105, 6140888), (120, 5373277), (130, 4959948), (137, 4706520), (140, 4605666), (156, 4133290), (168, 3838055), (182, 3542820), (195, 3306632), (210, 3070444), (260, 2479974), (273, 2361880), (274, 2353260), (280, 2302833), (312, 2066645), (364, 1771410), (390, 1653316), (411, 1568840), (420, 1535222), (431, 1496040), (455, 1417128), (520, 1239987), (546, 1180940), (548, 1176630), (685, 941304), (728, 885705), (780, 826658), (822, 784420), (840, 767611), (862, 748020), (910, 708564), (959, 672360), (1092, 590470), (1096, 588315), (1293, 498680), (1365, 472376), (1370, 470652), (1560, 413329), (1644, 392210), (1724, 374010), (1781, 362040), (1820, 354282), (1918, 336180), (2055, 313768), (2155, 299208), (2184, 295235), (2586, 249340), (2730, 236188), (2740, 235326), (2877, 224120), (3017, 213720), (3288, 196105), (3448, 187005), (3562, 181020), (3640, 177141), (3836, 168090), (4110, 156884), (4310, 149604), (4795, 134472), (5172, 124670), (5343, 120680), (5460, 118094), (5480, 117663), (5603, 115080), (5754, 112060), (6034, 106860), (6465, 99736), (7124, 90510), (7672, 84045), (8220, 78442), (8620, 74802), (8905, 72408), (9051, 71240), (9590, 67236), (10344, 62335), (10686, 60340), (10920, 59047), (11206, 57540), (11508, 56030), (12068, 53430), (12467, 51720), (12930, 49868), (14248, 45255), (14385, 44824), (15085, 42744), (16440, 39221), (16809, 38360), (17240, 37401), (17810, 36204), (18102, 35620), (19180, 33618), (21372, 30170), (22412, 28770), (23016, 28015), (24136, 26715), (24934, 25860)]