661036740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 288

約数和(自身を含む): 2341463040

約数和(自身を除く): 1680426300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 67, 70, 78, 84, 91, 105, 130, 134, 139, 140, 156, 169, 182, 195, 201, 210, 260, 268, 273, 278, 335, 338, 364, 390, 402, 417, 420, 455, 469, 507, 546, 556, 670, 676, 695, 780, 804, 834, 845, 871, 910, 938, 973, 1005, 1014, 1092, 1183, 1340, 1365, 1390, 1407, 1668, 1690, 1742, 1807, 1820, 1876, 1946, 2010, 2028, 2085, 2345, 2366, 2535, 2613, 2730, 2780, 2814, 2919, 3380, 3484, 3549, 3614, 3892, 4020, 4170, 4355, 4690, 4732, 4865, 5070, 5226, 5421, 5460, 5628, 5838, 5915, 6097, 7035, 7098, 7228, 8340, 8710, 9035, 9313, 9380, 9730, 10140, 10452, 10842, 11323, 11676, 11830, 12194, 12649, 13065, 14070, 14196, 14595, 17420, 17745, 18070, 18291, 18626, 19460, 21684, 22646, 23491, 23660, 24388, 25298, 26130, 27105, 27939, 28140, 29190, 30485, 33969, 35490, 36140, 36582, 37252, 37947, 45292, 46565, 46982, 50596, 52260, 54210, 55878, 56615, 58380, 60970, 63245, 65191, 67938, 70473, 70980, 73164, 75894, 79261, 91455, 93130, 93964, 108420, 111756, 113230, 117455, 121069, 121940, 126490, 130382, 135876, 139695, 140946, 151788, 158522, 164437, 169845, 182910, 186260, 189735, 195573, 226460, 234910, 237783, 242138, 252980, 260764, 279390, 281892, 317044, 325955, 328874, 339690, 352365, 363207, 365820, 379470, 391146, 396305, 469820, 475566, 484276, 493311, 558780, 605345, 651910, 657748, 679380, 704730, 726414, 758940, 782292, 792610, 822185, 847483, 951132, 977865, 986622, 1188915, 1210690, 1303820, 1409460, 1452828, 1573897, 1585220, 1644370, 1694966, 1816035, 1955730, 1973244, 2377830, 2421380, 2466555, 2542449, 3147794, 3288740, 3389932, 3632070, 3911460, 4237415, 4721691, 4755660, 4933110, 5084898, 6295588, 7264140, 7869485, 8474830, 9443382, 9866220, 10169796, 11017279, 12712245, 15738970, 16949660, 18886764, 22034558, 23608455, 25424490, 31477940, 33051837, 44069116, 47216910, 50848980, 55086395, 66103674, 94433820, 110172790, 132207348, 165259185, 220345580, 330518370, 661036740]

約数ペア:

[(1, 661036740), (2, 330518370), (3, 220345580), (4, 165259185), (5, 132207348), (6, 110172790), (7, 94433820), (10, 66103674), (12, 55086395), (13, 50848980), (14, 47216910), (15, 44069116), (20, 33051837), (21, 31477940), (26, 25424490), (28, 23608455), (30, 22034558), (35, 18886764), (39, 16949660), (42, 15738970), (52, 12712245), (60, 11017279), (65, 10169796), (67, 9866220), (70, 9443382), (78, 8474830), (84, 7869485), (91, 7264140), (105, 6295588), (130, 5084898), (134, 4933110), (139, 4755660), (140, 4721691), (156, 4237415), (169, 3911460), (182, 3632070), (195, 3389932), (201, 3288740), (210, 3147794), (260, 2542449), (268, 2466555), (273, 2421380), (278, 2377830), (335, 1973244), (338, 1955730), (364, 1816035), (390, 1694966), (402, 1644370), (417, 1585220), (420, 1573897), (455, 1452828), (469, 1409460), (507, 1303820), (546, 1210690), (556, 1188915), (670, 986622), (676, 977865), (695, 951132), (780, 847483), (804, 822185), (834, 792610), (845, 782292), (871, 758940), (910, 726414), (938, 704730), (973, 679380), (1005, 657748), (1014, 651910), (1092, 605345), (1183, 558780), (1340, 493311), (1365, 484276), (1390, 475566), (1407, 469820), (1668, 396305), (1690, 391146), (1742, 379470), (1807, 365820), (1820, 363207), (1876, 352365), (1946, 339690), (2010, 328874), (2028, 325955), (2085, 317044), (2345, 281892), (2366, 279390), (2535, 260764), (2613, 252980), (2730, 242138), (2780, 237783), (2814, 234910), (2919, 226460), (3380, 195573), (3484, 189735), (3549, 186260), (3614, 182910), (3892, 169845), (4020, 164437), (4170, 158522), (4355, 151788), (4690, 140946), (4732, 139695), (4865, 135876), (5070, 130382), (5226, 126490), (5421, 121940), (5460, 121069), (5628, 117455), (5838, 113230), (5915, 111756), (6097, 108420), (7035, 93964), (7098, 93130), (7228, 91455), (8340, 79261), (8710, 75894), (9035, 73164), (9313, 70980), (9380, 70473), (9730, 67938), (10140, 65191), (10452, 63245), (10842, 60970), (11323, 58380), (11676, 56615), (11830, 55878), (12194, 54210), (12649, 52260), (13065, 50596), (14070, 46982), (14196, 46565), (14595, 45292), (17420, 37947), (17745, 37252), (18070, 36582), (18291, 36140), (18626, 35490), (19460, 33969), (21684, 30485), (22646, 29190), (23491, 28140), (23660, 27939), (24388, 27105), (25298, 26130)]