726241960

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{113}}^1$

素因数の和:299

約数の個数: 128

約数和(自身を含む): 1749288960

約数和(自身を除く): 1023047000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 71, 73, 113, 124, 142, 146, 155, 226, 248, 284, 292, 310, 355, 365, 452, 565, 568, 584, 620, 710, 730, 904, 1130, 1240, 1420, 1460, 2201, 2260, 2263, 2840, 2920, 3503, 4402, 4520, 4526, 5183, 7006, 8023, 8249, 8804, 9052, 10366, 11005, 11315, 14012, 16046, 16498, 17515, 17608, 18104, 20732, 22010, 22630, 25915, 28024, 32092, 32996, 35030, 40115, 41245, 41464, 44020, 45260, 51830, 64184, 65992, 70060, 80230, 82490, 88040, 90520, 103660, 140120, 160460, 160673, 164980, 207320, 248713, 255719, 320920, 321346, 329960, 497426, 511438, 585679, 642692, 803365, 994852, 1022876, 1171358, 1243565, 1278595, 1285384, 1606730, 1989704, 2045752, 2342716, 2487130, 2557190, 2928395, 3213460, 4685432, 4974260, 5114380, 5856790, 6426920, 9948520, 10228760, 11713580, 18156049, 23427160, 36312098, 72624196, 90780245, 145248392, 181560490, 363120980, 726241960]

約数ペア:

[(1, 726241960), (2, 363120980), (4, 181560490), (5, 145248392), (8, 90780245), (10, 72624196), (20, 36312098), (31, 23427160), (40, 18156049), (62, 11713580), (71, 10228760), (73, 9948520), (113, 6426920), (124, 5856790), (142, 5114380), (146, 4974260), (155, 4685432), (226, 3213460), (248, 2928395), (284, 2557190), (292, 2487130), (310, 2342716), (355, 2045752), (365, 1989704), (452, 1606730), (565, 1285384), (568, 1278595), (584, 1243565), (620, 1171358), (710, 1022876), (730, 994852), (904, 803365), (1130, 642692), (1240, 585679), (1420, 511438), (1460, 497426), (2201, 329960), (2260, 321346), (2263, 320920), (2840, 255719), (2920, 248713), (3503, 207320), (4402, 164980), (4520, 160673), (4526, 160460), (5183, 140120), (7006, 103660), (8023, 90520), (8249, 88040), (8804, 82490), (9052, 80230), (10366, 70060), (11005, 65992), (11315, 64184), (14012, 51830), (16046, 45260), (16498, 44020), (17515, 41464), (17608, 41245), (18104, 40115), (20732, 35030), (22010, 32996), (22630, 32092), (25915, 28024)]