80407440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{617}}^1$

素因数の和:817

約数の個数: 120

約数和(自身を含む): 271966968

約数和(自身を除く): 191559528

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 181, 240, 360, 362, 543, 617, 720, 724, 905, 1086, 1234, 1448, 1629, 1810, 1851, 2172, 2468, 2715, 2896, 3085, 3258, 3620, 3702, 4344, 4936, 5430, 5553, 6170, 6516, 7240, 7404, 8145, 8688, 9255, 9872, 10860, 11106, 12340, 13032, 14480, 14808, 16290, 18510, 21720, 22212, 24680, 26064, 27765, 29616, 32580, 37020, 43440, 44424, 49360, 55530, 65160, 74040, 88848, 111060, 111677, 130320, 148080, 222120, 223354, 335031, 444240, 446708, 558385, 670062, 893416, 1005093, 1116770, 1340124, 1675155, 1786832, 2010186, 2233540, 2680248, 3350310, 4020372, 4467080, 5025465, 5360496, 6700620, 8040744, 8934160, 10050930, 13401240, 16081488, 20101860, 26802480, 40203720, 80407440]

約数ペア:

[(1, 80407440), (2, 40203720), (3, 26802480), (4, 20101860), (5, 16081488), (6, 13401240), (8, 10050930), (9, 8934160), (10, 8040744), (12, 6700620), (15, 5360496), (16, 5025465), (18, 4467080), (20, 4020372), (24, 3350310), (30, 2680248), (36, 2233540), (40, 2010186), (45, 1786832), (48, 1675155), (60, 1340124), (72, 1116770), (80, 1005093), (90, 893416), (120, 670062), (144, 558385), (180, 446708), (181, 444240), (240, 335031), (360, 223354), (362, 222120), (543, 148080), (617, 130320), (720, 111677), (724, 111060), (905, 88848), (1086, 74040), (1234, 65160), (1448, 55530), (1629, 49360), (1810, 44424), (1851, 43440), (2172, 37020), (2468, 32580), (2715, 29616), (2896, 27765), (3085, 26064), (3258, 24680), (3620, 22212), (3702, 21720), (4344, 18510), (4936, 16290), (5430, 14808), (5553, 14480), (6170, 13032), (6516, 12340), (7240, 11106), (7404, 10860), (8145, 9872), (8688, 9255)]