645646680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2083}}^1$

素因数の和:2151

約数の個数: 256

約数和(自身を含む): 2520806400

約数和(自身を除く): 1875159720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2083, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3444, 3690, 3780, 4166, 4305, 4428, 4920, 5166, 5535, 5740, 6249, 6888, 7380, 7560, 7749, 8332, 8610, 8856, 10332, 10415, 11070, 11480, 12498, 12915, 14581, 14760, 15498, 16664, 17220, 18747, 20664, 20830, 22140, 24996, 25830, 29162, 30996, 31245, 34440, 37494, 38745, 41660, 43743, 44280, 49992, 51660, 56241, 58324, 61992, 62490, 72905, 74988, 77490, 83320, 85403, 87486, 93735, 103320, 112482, 116648, 124980, 131229, 145810, 149976, 154980, 170806, 174972, 187470, 218715, 224964, 249960, 256209, 262458, 281205, 291620, 309960, 341612, 349944, 374940, 393687, 427015, 437430, 449928, 512418, 524916, 562410, 583240, 597821, 656145, 683224, 749880, 768627, 787374, 854030, 874860, 1024836, 1049832, 1124820, 1195642, 1281045, 1312290, 1537254, 1574748, 1708060, 1749720, 1793463, 1968435, 2049672, 2249640, 2305881, 2391284, 2562090, 2624580, 2989105, 3074508, 3149496, 3416120, 3586926, 3843135, 3936870, 4611762, 4782568, 5124180, 5249160, 5380389, 5978210, 6149016, 7173852, 7686270, 7873740, 8967315, 9223524, 10248360, 10760778, 11529405, 11956420, 14347704, 15372540, 15747480, 16141167, 17934630, 18447048, 21521556, 23058810, 23912840, 26901945, 30745080, 32282334, 35869260, 43043112, 46117620, 53803890, 64564668, 71738520, 80705835, 92235240, 107607780, 129129336, 161411670, 215215560, 322823340, 645646680]

約数ペア:

[(1, 645646680), (2, 322823340), (3, 215215560), (4, 161411670), (5, 129129336), (6, 107607780), (7, 92235240), (8, 80705835), (9, 71738520), (10, 64564668), (12, 53803890), (14, 46117620), (15, 43043112), (18, 35869260), (20, 32282334), (21, 30745080), (24, 26901945), (27, 23912840), (28, 23058810), (30, 21521556), (35, 18447048), (36, 17934630), (40, 16141167), (41, 15747480), (42, 15372540), (45, 14347704), (54, 11956420), (56, 11529405), (60, 10760778), (63, 10248360), (70, 9223524), (72, 8967315), (82, 7873740), (84, 7686270), (90, 7173852), (105, 6149016), (108, 5978210), (120, 5380389), (123, 5249160), (126, 5124180), (135, 4782568), (140, 4611762), (164, 3936870), (168, 3843135), (180, 3586926), (189, 3416120), (205, 3149496), (210, 3074508), (216, 2989105), (246, 2624580), (252, 2562090), (270, 2391284), (280, 2305881), (287, 2249640), (315, 2049672), (328, 1968435), (360, 1793463), (369, 1749720), (378, 1708060), (410, 1574748), (420, 1537254), (492, 1312290), (504, 1281045), (540, 1195642), (574, 1124820), (615, 1049832), (630, 1024836), (738, 874860), (756, 854030), (820, 787374), (840, 768627), (861, 749880), (945, 683224), (984, 656145), (1080, 597821), (1107, 583240), (1148, 562410), (1230, 524916), (1260, 512418), (1435, 449928), (1476, 437430), (1512, 427015), (1640, 393687), (1722, 374940), (1845, 349944), (1890, 341612), (2083, 309960), (2214, 291620), (2296, 281205), (2460, 262458), (2520, 256209), (2583, 249960), (2870, 224964), (2952, 218715), (3444, 187470), (3690, 174972), (3780, 170806), (4166, 154980), (4305, 149976), (4428, 145810), (4920, 131229), (5166, 124980), (5535, 116648), (5740, 112482), (6249, 103320), (6888, 93735), (7380, 87486), (7560, 85403), (7749, 83320), (8332, 77490), (8610, 74988), (8856, 72905), (10332, 62490), (10415, 61992), (11070, 58324), (11480, 56241), (12498, 51660), (12915, 49992), (14581, 44280), (14760, 43743), (15498, 41660), (16664, 38745), (17220, 37494), (18747, 34440), (20664, 31245), (20830, 30996), (22140, 29162), (24996, 25830)]