720172656

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1213}}^1$

素因数の和:1284

約数の個数: 240

約数和(自身を含む): 2504919040

約数和(自身を除く): 1784746384

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 19, 21, 24, 28, 31, 36, 38, 42, 48, 56, 57, 62, 63, 72, 76, 84, 93, 112, 114, 124, 126, 133, 144, 152, 168, 171, 186, 217, 228, 248, 252, 266, 279, 304, 336, 342, 372, 399, 434, 456, 496, 504, 532, 558, 589, 651, 684, 744, 798, 868, 912, 1008, 1064, 1116, 1178, 1197, 1213, 1302, 1368, 1488, 1596, 1736, 1767, 1953, 2128, 2232, 2356, 2394, 2426, 2604, 2736, 3192, 3472, 3534, 3639, 3906, 4123, 4464, 4712, 4788, 4852, 5208, 5301, 6384, 7068, 7278, 7812, 8246, 8491, 9424, 9576, 9704, 10416, 10602, 10917, 12369, 14136, 14556, 15624, 16492, 16982, 19152, 19408, 21204, 21834, 23047, 24738, 25473, 28272, 29112, 31248, 32984, 33964, 37107, 37603, 42408, 43668, 46094, 49476, 50946, 58224, 65968, 67928, 69141, 74214, 75206, 76419, 84816, 87336, 92188, 98952, 101892, 112809, 135856, 138282, 148428, 150412, 152838, 161329, 174672, 184376, 197904, 203784, 207423, 225618, 263221, 276564, 296856, 300824, 305676, 322658, 338427, 368752, 407568, 414846, 451236, 483987, 526442, 553128, 593712, 601648, 611352, 645316, 676854, 714457, 789663, 829692, 902472, 967974, 1052884, 1106256, 1222704, 1290632, 1353708, 1428914, 1451961, 1579326, 1659384, 1804944, 1935948, 2105768, 2143371, 2368989, 2581264, 2707416, 2857828, 2903922, 3158652, 3318768, 3871896, 4211536, 4286742, 4737978, 5001199, 5414832, 5715656, 5807844, 6317304, 6430113, 7743792, 8573484, 9475956, 10002398, 11431312, 11615688, 12634608, 12860226, 15003597, 17146968, 18951912, 20004796, 23231376, 25720452, 30007194, 34293936, 37903824, 40009592, 45010791, 51440904, 60014388, 80019184, 90021582, 102881808, 120028776, 180043164, 240057552, 360086328, 720172656]

約数ペア:

[(1, 720172656), (2, 360086328), (3, 240057552), (4, 180043164), (6, 120028776), (7, 102881808), (8, 90021582), (9, 80019184), (12, 60014388), (14, 51440904), (16, 45010791), (18, 40009592), (19, 37903824), (21, 34293936), (24, 30007194), (28, 25720452), (31, 23231376), (36, 20004796), (38, 18951912), (42, 17146968), (48, 15003597), (56, 12860226), (57, 12634608), (62, 11615688), (63, 11431312), (72, 10002398), (76, 9475956), (84, 8573484), (93, 7743792), (112, 6430113), (114, 6317304), (124, 5807844), (126, 5715656), (133, 5414832), (144, 5001199), (152, 4737978), (168, 4286742), (171, 4211536), (186, 3871896), (217, 3318768), (228, 3158652), (248, 2903922), (252, 2857828), (266, 2707416), (279, 2581264), (304, 2368989), (336, 2143371), (342, 2105768), (372, 1935948), (399, 1804944), (434, 1659384), (456, 1579326), (496, 1451961), (504, 1428914), (532, 1353708), (558, 1290632), (589, 1222704), (651, 1106256), (684, 1052884), (744, 967974), (798, 902472), (868, 829692), (912, 789663), (1008, 714457), (1064, 676854), (1116, 645316), (1178, 611352), (1197, 601648), (1213, 593712), (1302, 553128), (1368, 526442), (1488, 483987), (1596, 451236), (1736, 414846), (1767, 407568), (1953, 368752), (2128, 338427), (2232, 322658), (2356, 305676), (2394, 300824), (2426, 296856), (2604, 276564), (2736, 263221), (3192, 225618), (3472, 207423), (3534, 203784), (3639, 197904), (3906, 184376), (4123, 174672), (4464, 161329), (4712, 152838), (4788, 150412), (4852, 148428), (5208, 138282), (5301, 135856), (6384, 112809), (7068, 101892), (7278, 98952), (7812, 92188), (8246, 87336), (8491, 84816), (9424, 76419), (9576, 75206), (9704, 74214), (10416, 69141), (10602, 67928), (10917, 65968), (12369, 58224), (14136, 50946), (14556, 49476), (15624, 46094), (16492, 43668), (16982, 42408), (19152, 37603), (19408, 37107), (21204, 33964), (21834, 32984), (23047, 31248), (24738, 29112), (25473, 28272)]