155102920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{167}}^1$

素因数の和:323

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 262934840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 107, 124, 140, 155, 167, 214, 217, 248, 280, 310, 334, 428, 434, 535, 620, 668, 749, 835, 856, 868, 1070, 1085, 1169, 1240, 1336, 1498, 1670, 1736, 2140, 2170, 2338, 2996, 3317, 3340, 3745, 4280, 4340, 4676, 5177, 5845, 5992, 6634, 6680, 7490, 8680, 9352, 10354, 11690, 13268, 14980, 16585, 17869, 20708, 23219, 23380, 25885, 26536, 29960, 33170, 35738, 36239, 41416, 46438, 46760, 51770, 66340, 71476, 72478, 89345, 92876, 103540, 116095, 125083, 132680, 142952, 144956, 178690, 181195, 185752, 207080, 232190, 250166, 289912, 357380, 362390, 464380, 500332, 553939, 625415, 714760, 724780, 928760, 1000664, 1107878, 1250830, 1449560, 2215756, 2501660, 2769695, 3877573, 4431512, 5003320, 5539390, 7755146, 11078780, 15510292, 19387865, 22157560, 31020584, 38775730, 77551460, 155102920]

約数ペア:

[(1, 155102920), (2, 77551460), (4, 38775730), (5, 31020584), (7, 22157560), (8, 19387865), (10, 15510292), (14, 11078780), (20, 7755146), (28, 5539390), (31, 5003320), (35, 4431512), (40, 3877573), (56, 2769695), (62, 2501660), (70, 2215756), (107, 1449560), (124, 1250830), (140, 1107878), (155, 1000664), (167, 928760), (214, 724780), (217, 714760), (248, 625415), (280, 553939), (310, 500332), (334, 464380), (428, 362390), (434, 357380), (535, 289912), (620, 250166), (668, 232190), (749, 207080), (835, 185752), (856, 181195), (868, 178690), (1070, 144956), (1085, 142952), (1169, 132680), (1240, 125083), (1336, 116095), (1498, 103540), (1670, 92876), (1736, 89345), (2140, 72478), (2170, 71476), (2338, 66340), (2996, 51770), (3317, 46760), (3340, 46438), (3745, 41416), (4280, 36239), (4340, 35738), (4676, 33170), (5177, 29960), (5845, 26536), (5992, 25885), (6634, 23380), (6680, 23219), (7490, 20708), (8680, 17869), (9352, 16585), (10354, 14980), (11690, 13268)]