165394920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{257}}^1$

素因数の和:475

約数の個数: 128

約数和(自身を含む): 517155840

約数和(自身を除く): 351760920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 173, 186, 248, 257, 310, 346, 372, 465, 514, 519, 620, 692, 744, 771, 865, 930, 1028, 1038, 1240, 1285, 1384, 1542, 1730, 1860, 2056, 2076, 2570, 2595, 3084, 3460, 3720, 3855, 4152, 5140, 5190, 5363, 6168, 6920, 7710, 7967, 10280, 10380, 10726, 15420, 15934, 16089, 20760, 21452, 23901, 26815, 30840, 31868, 32178, 39835, 42904, 44461, 47802, 53630, 63736, 64356, 79670, 80445, 88922, 95604, 107260, 119505, 128712, 133383, 159340, 160890, 177844, 191208, 214520, 222305, 239010, 266766, 318680, 321780, 355688, 444610, 478020, 533532, 643560, 666915, 889220, 956040, 1067064, 1333830, 1378291, 1778440, 2667660, 2756582, 4134873, 5335320, 5513164, 6891455, 8269746, 11026328, 13782910, 16539492, 20674365, 27565820, 33078984, 41348730, 55131640, 82697460, 165394920]

約数ペア:

[(1, 165394920), (2, 82697460), (3, 55131640), (4, 41348730), (5, 33078984), (6, 27565820), (8, 20674365), (10, 16539492), (12, 13782910), (15, 11026328), (20, 8269746), (24, 6891455), (30, 5513164), (31, 5335320), (40, 4134873), (60, 2756582), (62, 2667660), (93, 1778440), (120, 1378291), (124, 1333830), (155, 1067064), (173, 956040), (186, 889220), (248, 666915), (257, 643560), (310, 533532), (346, 478020), (372, 444610), (465, 355688), (514, 321780), (519, 318680), (620, 266766), (692, 239010), (744, 222305), (771, 214520), (865, 191208), (930, 177844), (1028, 160890), (1038, 159340), (1240, 133383), (1285, 128712), (1384, 119505), (1542, 107260), (1730, 95604), (1860, 88922), (2056, 80445), (2076, 79670), (2570, 64356), (2595, 63736), (3084, 53630), (3460, 47802), (3720, 44461), (3855, 42904), (4152, 39835), (5140, 32178), (5190, 31868), (5363, 30840), (6168, 26815), (6920, 23901), (7710, 21452), (7967, 20760), (10280, 16089), (10380, 15934), (10726, 15420)]