72415440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2339}}^1$

素因数の和:2401

約数の個数: 120

約数和(自身を含む): 248957280

約数和(自身を除く): 176541840

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 120, 129, 144, 172, 180, 215, 240, 258, 344, 360, 387, 430, 516, 645, 688, 720, 774, 860, 1032, 1290, 1548, 1720, 1935, 2064, 2339, 2580, 3096, 3440, 3870, 4678, 5160, 6192, 7017, 7740, 9356, 10320, 11695, 14034, 15480, 18712, 21051, 23390, 28068, 30960, 35085, 37424, 42102, 46780, 56136, 70170, 84204, 93560, 100577, 105255, 112272, 140340, 168408, 187120, 201154, 210510, 280680, 301731, 336816, 402308, 421020, 502885, 561360, 603462, 804616, 842040, 905193, 1005770, 1206924, 1508655, 1609232, 1684080, 1810386, 2011540, 2413848, 3017310, 3620772, 4023080, 4525965, 4827696, 6034620, 7241544, 8046160, 9051930, 12069240, 14483088, 18103860, 24138480, 36207720, 72415440]

約数ペア:

[(1, 72415440), (2, 36207720), (3, 24138480), (4, 18103860), (5, 14483088), (6, 12069240), (8, 9051930), (9, 8046160), (10, 7241544), (12, 6034620), (15, 4827696), (16, 4525965), (18, 4023080), (20, 3620772), (24, 3017310), (30, 2413848), (36, 2011540), (40, 1810386), (43, 1684080), (45, 1609232), (48, 1508655), (60, 1206924), (72, 1005770), (80, 905193), (86, 842040), (90, 804616), (120, 603462), (129, 561360), (144, 502885), (172, 421020), (180, 402308), (215, 336816), (240, 301731), (258, 280680), (344, 210510), (360, 201154), (387, 187120), (430, 168408), (516, 140340), (645, 112272), (688, 105255), (720, 100577), (774, 93560), (860, 84204), (1032, 70170), (1290, 56136), (1548, 46780), (1720, 42102), (1935, 37424), (2064, 35085), (2339, 30960), (2580, 28068), (3096, 23390), (3440, 21051), (3870, 18712), (4678, 15480), (5160, 14034), (6192, 11695), (7017, 10320), (7740, 9356)]