521640720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23371}}^1$

素因数の和:23421

約数の個数: 120

約数和(自身を含む): 1808431872

約数和(自身を除く): 1286791152

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, 3720, 4464, 5580, 7440, 11160, 22320, 23371, 46742, 70113, 93484, 116855, 140226, 186968, 210339, 233710, 280452, 350565, 373936, 420678, 467420, 560904, 701130, 724501, 841356, 934840, 1051695, 1121808, 1402260, 1449002, 1682712, 1869680, 2103390, 2173503, 2804520, 2898004, 3365424, 3622505, 4206780, 4347006, 5609040, 5796008, 6520509, 7245010, 8413560, 8694012, 10867515, 11592016, 13041018, 14490020, 16827120, 17388024, 21735030, 26082036, 28980040, 32602545, 34776048, 43470060, 52164072, 57960080, 65205090, 86940120, 104328144, 130410180, 173880240, 260820360, 521640720]

約数ペア:

[(1, 521640720), (2, 260820360), (3, 173880240), (4, 130410180), (5, 104328144), (6, 86940120), (8, 65205090), (9, 57960080), (10, 52164072), (12, 43470060), (15, 34776048), (16, 32602545), (18, 28980040), (20, 26082036), (24, 21735030), (30, 17388024), (31, 16827120), (36, 14490020), (40, 13041018), (45, 11592016), (48, 10867515), (60, 8694012), (62, 8413560), (72, 7245010), (80, 6520509), (90, 5796008), (93, 5609040), (120, 4347006), (124, 4206780), (144, 3622505), (155, 3365424), (180, 2898004), (186, 2804520), (240, 2173503), (248, 2103390), (279, 1869680), (310, 1682712), (360, 1449002), (372, 1402260), (465, 1121808), (496, 1051695), (558, 934840), (620, 841356), (720, 724501), (744, 701130), (930, 560904), (1116, 467420), (1240, 420678), (1395, 373936), (1488, 350565), (1860, 280452), (2232, 233710), (2480, 210339), (2790, 186968), (3720, 140226), (4464, 116855), (5580, 93484), (7440, 70113), (11160, 46742), (22320, 23371)]