645985704

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1303}}^1$

素因数の和:1559

約数の個数: 128

約数和(自身を含む): 1997936640

約数和(自身を除く): 1351950936

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 227, 273, 312, 364, 454, 546, 681, 728, 908, 1092, 1303, 1362, 1589, 1816, 2184, 2606, 2724, 2951, 3178, 3909, 4767, 5212, 5448, 5902, 6356, 7818, 8853, 9121, 9534, 10424, 11804, 12712, 15636, 16939, 17706, 18242, 19068, 20657, 23608, 27363, 31272, 33878, 35412, 36484, 38136, 41314, 50817, 54726, 61971, 67756, 70824, 72968, 82628, 101634, 109452, 118573, 123942, 135512, 165256, 203268, 218904, 237146, 247884, 295781, 355719, 406536, 474292, 495768, 591562, 711438, 887343, 948584, 1183124, 1422876, 1774686, 2070467, 2366248, 2845752, 3549372, 3845153, 4140934, 6211401, 7098744, 7690306, 8281868, 11535459, 12422802, 15380612, 16563736, 23070918, 24845604, 26916071, 30761224, 46141836, 49691208, 53832142, 80748213, 92283672, 107664284, 161496426, 215328568, 322992852, 645985704]

約数ペア:

[(1, 645985704), (2, 322992852), (3, 215328568), (4, 161496426), (6, 107664284), (7, 92283672), (8, 80748213), (12, 53832142), (13, 49691208), (14, 46141836), (21, 30761224), (24, 26916071), (26, 24845604), (28, 23070918), (39, 16563736), (42, 15380612), (52, 12422802), (56, 11535459), (78, 8281868), (84, 7690306), (91, 7098744), (104, 6211401), (156, 4140934), (168, 3845153), (182, 3549372), (227, 2845752), (273, 2366248), (312, 2070467), (364, 1774686), (454, 1422876), (546, 1183124), (681, 948584), (728, 887343), (908, 711438), (1092, 591562), (1303, 495768), (1362, 474292), (1589, 406536), (1816, 355719), (2184, 295781), (2606, 247884), (2724, 237146), (2951, 218904), (3178, 203268), (3909, 165256), (4767, 135512), (5212, 123942), (5448, 118573), (5902, 109452), (6356, 101634), (7818, 82628), (8853, 72968), (9121, 70824), (9534, 67756), (10424, 61971), (11804, 54726), (12712, 50817), (15636, 41314), (16939, 38136), (17706, 36484), (18242, 35412), (19068, 33878), (20657, 31272), (23608, 27363)]