81981360

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3673}}^1$

素因数の和:3723

約数の個数: 120

約数和(自身を含む): 284279424

約数和(自身を除く): 202298064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3673, 3720, 4464, 5580, 7346, 7440, 11019, 11160, 14692, 18365, 22038, 22320, 29384, 33057, 36730, 44076, 55095, 58768, 66114, 73460, 88152, 110190, 113863, 132228, 146920, 165285, 176304, 220380, 227726, 264456, 293840, 330570, 341589, 440760, 455452, 528912, 569315, 661140, 683178, 881520, 910904, 1024767, 1138630, 1322280, 1366356, 1707945, 1821808, 2049534, 2277260, 2644560, 2732712, 3415890, 4099068, 4554520, 5123835, 5465424, 6831780, 8198136, 9109040, 10247670, 13663560, 16396272, 20495340, 27327120, 40990680, 81981360]

約数ペア:

[(1, 81981360), (2, 40990680), (3, 27327120), (4, 20495340), (5, 16396272), (6, 13663560), (8, 10247670), (9, 9109040), (10, 8198136), (12, 6831780), (15, 5465424), (16, 5123835), (18, 4554520), (20, 4099068), (24, 3415890), (30, 2732712), (31, 2644560), (36, 2277260), (40, 2049534), (45, 1821808), (48, 1707945), (60, 1366356), (62, 1322280), (72, 1138630), (80, 1024767), (90, 910904), (93, 881520), (120, 683178), (124, 661140), (144, 569315), (155, 528912), (180, 455452), (186, 440760), (240, 341589), (248, 330570), (279, 293840), (310, 264456), (360, 227726), (372, 220380), (465, 176304), (496, 165285), (558, 146920), (620, 132228), (720, 113863), (744, 110190), (930, 88152), (1116, 73460), (1240, 66114), (1395, 58768), (1488, 55095), (1860, 44076), (2232, 36730), (2480, 33057), (2790, 29384), (3673, 22320), (3720, 22038), (4464, 18365), (5580, 14692), (7346, 11160), (7440, 11019)]