154720020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{659}}^1$

素因数の和:734

約数の個数: 192

約数和(自身を含む): 546416640

約数和(自身を除く): 391696620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 43, 52, 60, 65, 70, 78, 84, 86, 91, 105, 129, 130, 140, 156, 172, 182, 195, 210, 215, 258, 260, 273, 301, 364, 390, 420, 430, 455, 516, 546, 559, 602, 645, 659, 780, 860, 903, 910, 1092, 1118, 1204, 1290, 1318, 1365, 1505, 1677, 1806, 1820, 1977, 2236, 2580, 2636, 2730, 2795, 3010, 3295, 3354, 3612, 3913, 3954, 4515, 4613, 5460, 5590, 6020, 6590, 6708, 7826, 7908, 8385, 8567, 9030, 9226, 9885, 11180, 11739, 13180, 13839, 15652, 16770, 17134, 18060, 18452, 19565, 19770, 23065, 23478, 25701, 27678, 28337, 33540, 34268, 39130, 39540, 42835, 46130, 46956, 51402, 55356, 56674, 58695, 59969, 69195, 78260, 85011, 85670, 92260, 102804, 113348, 117390, 119938, 128505, 138390, 141685, 170022, 171340, 179907, 198359, 234780, 239876, 257010, 276780, 283370, 299845, 340044, 359814, 368381, 396718, 425055, 514020, 566740, 595077, 599690, 719628, 736762, 793436, 850110, 899535, 991795, 1105143, 1190154, 1199380, 1473524, 1700220, 1799070, 1841905, 1983590, 2210286, 2380308, 2578667, 2975385, 3598140, 3683810, 3967180, 4420572, 5157334, 5525715, 5950770, 7367620, 7736001, 10314668, 11051430, 11901540, 12893335, 15472002, 22102860, 25786670, 30944004, 38680005, 51573340, 77360010, 154720020]

約数ペア:

[(1, 154720020), (2, 77360010), (3, 51573340), (4, 38680005), (5, 30944004), (6, 25786670), (7, 22102860), (10, 15472002), (12, 12893335), (13, 11901540), (14, 11051430), (15, 10314668), (20, 7736001), (21, 7367620), (26, 5950770), (28, 5525715), (30, 5157334), (35, 4420572), (39, 3967180), (42, 3683810), (43, 3598140), (52, 2975385), (60, 2578667), (65, 2380308), (70, 2210286), (78, 1983590), (84, 1841905), (86, 1799070), (91, 1700220), (105, 1473524), (129, 1199380), (130, 1190154), (140, 1105143), (156, 991795), (172, 899535), (182, 850110), (195, 793436), (210, 736762), (215, 719628), (258, 599690), (260, 595077), (273, 566740), (301, 514020), (364, 425055), (390, 396718), (420, 368381), (430, 359814), (455, 340044), (516, 299845), (546, 283370), (559, 276780), (602, 257010), (645, 239876), (659, 234780), (780, 198359), (860, 179907), (903, 171340), (910, 170022), (1092, 141685), (1118, 138390), (1204, 128505), (1290, 119938), (1318, 117390), (1365, 113348), (1505, 102804), (1677, 92260), (1806, 85670), (1820, 85011), (1977, 78260), (2236, 69195), (2580, 59969), (2636, 58695), (2730, 56674), (2795, 55356), (3010, 51402), (3295, 46956), (3354, 46130), (3612, 42835), (3913, 39540), (3954, 39130), (4515, 34268), (4613, 33540), (5460, 28337), (5590, 27678), (6020, 25701), (6590, 23478), (6708, 23065), (7826, 19770), (7908, 19565), (8385, 18452), (8567, 18060), (9030, 17134), (9226, 16770), (9885, 15652), (11180, 13839), (11739, 13180)]