664449240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{857}}^1$

素因数の和:962

約数の個数: 256

約数和(自身を含む): 2490808320

約数和(自身を除く): 1826359080

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, 71, 78, 84, 91, 104, 105, 120, 130, 140, 142, 156, 168, 182, 195, 210, 213, 260, 273, 280, 284, 312, 355, 364, 390, 420, 426, 455, 497, 520, 546, 568, 710, 728, 780, 840, 852, 857, 910, 923, 994, 1065, 1092, 1365, 1420, 1491, 1560, 1704, 1714, 1820, 1846, 1988, 2130, 2184, 2485, 2571, 2730, 2769, 2840, 2982, 3428, 3640, 3692, 3976, 4260, 4285, 4615, 4970, 5142, 5460, 5538, 5964, 5999, 6461, 6856, 7384, 7455, 8520, 8570, 9230, 9940, 10284, 10920, 11076, 11141, 11928, 11998, 12855, 12922, 13845, 14910, 17140, 17997, 18460, 19383, 19880, 20568, 22152, 22282, 23996, 25710, 25844, 27690, 29820, 29995, 32305, 33423, 34280, 35994, 36920, 38766, 44564, 47992, 51420, 51688, 55380, 55705, 59640, 59990, 60847, 64610, 66846, 71988, 77532, 77987, 89128, 89985, 96915, 102840, 110760, 111410, 119980, 121694, 129220, 133692, 143976, 155064, 155974, 167115, 179970, 182541, 193830, 222820, 233961, 239960, 243388, 258440, 267384, 304235, 311948, 334230, 359940, 365082, 387660, 389935, 425929, 445640, 467922, 486776, 608470, 623896, 668460, 719880, 730164, 775320, 779870, 791011, 851858, 912705, 935844, 1169805, 1216940, 1277787, 1336920, 1460328, 1559740, 1582022, 1703716, 1825410, 1871688, 2129645, 2339610, 2373033, 2433880, 2555574, 3119480, 3164044, 3407432, 3650820, 3955055, 4259290, 4679220, 4746066, 5111148, 5537077, 6328088, 6388935, 7301640, 7910110, 8518580, 9358440, 9492132, 10222296, 11074154, 11865165, 12777870, 15820220, 16611231, 17037160, 18984264, 22148308, 23730330, 25555740, 27685385, 31640440, 33222462, 44296616, 47460660, 51111480, 55370770, 66444924, 83056155, 94921320, 110741540, 132889848, 166112310, 221483080, 332224620, 664449240]

約数ペア:

[(1, 664449240), (2, 332224620), (3, 221483080), (4, 166112310), (5, 132889848), (6, 110741540), (7, 94921320), (8, 83056155), (10, 66444924), (12, 55370770), (13, 51111480), (14, 47460660), (15, 44296616), (20, 33222462), (21, 31640440), (24, 27685385), (26, 25555740), (28, 23730330), (30, 22148308), (35, 18984264), (39, 17037160), (40, 16611231), (42, 15820220), (52, 12777870), (56, 11865165), (60, 11074154), (65, 10222296), (70, 9492132), (71, 9358440), (78, 8518580), (84, 7910110), (91, 7301640), (104, 6388935), (105, 6328088), (120, 5537077), (130, 5111148), (140, 4746066), (142, 4679220), (156, 4259290), (168, 3955055), (182, 3650820), (195, 3407432), (210, 3164044), (213, 3119480), (260, 2555574), (273, 2433880), (280, 2373033), (284, 2339610), (312, 2129645), (355, 1871688), (364, 1825410), (390, 1703716), (420, 1582022), (426, 1559740), (455, 1460328), (497, 1336920), (520, 1277787), (546, 1216940), (568, 1169805), (710, 935844), (728, 912705), (780, 851858), (840, 791011), (852, 779870), (857, 775320), (910, 730164), (923, 719880), (994, 668460), (1065, 623896), (1092, 608470), (1365, 486776), (1420, 467922), (1491, 445640), (1560, 425929), (1704, 389935), (1714, 387660), (1820, 365082), (1846, 359940), (1988, 334230), (2130, 311948), (2184, 304235), (2485, 267384), (2571, 258440), (2730, 243388), (2769, 239960), (2840, 233961), (2982, 222820), (3428, 193830), (3640, 182541), (3692, 179970), (3976, 167115), (4260, 155974), (4285, 155064), (4615, 143976), (4970, 133692), (5142, 129220), (5460, 121694), (5538, 119980), (5964, 111410), (5999, 110760), (6461, 102840), (6856, 96915), (7384, 89985), (7455, 89128), (8520, 77987), (8570, 77532), (9230, 71988), (9940, 66846), (10284, 64610), (10920, 60847), (11076, 59990), (11141, 59640), (11928, 55705), (11998, 55380), (12855, 51688), (12922, 51420), (13845, 47992), (14910, 44564), (17140, 38766), (17997, 36920), (18460, 35994), (19383, 34280), (19880, 33423), (20568, 32305), (22152, 29995), (22282, 29820), (23996, 27690), (25710, 25844)]