155217780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{9689}}^1$

素因数の和:9793

約数の個数: 72

約数和(自身を含む): 476166600

約数和(自身を除く): 320948820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 8010, 9689, 16020, 19378, 29067, 38756, 48445, 58134, 87201, 96890, 116268, 145335, 174402, 193780, 290670, 348804, 436005, 581340, 862321, 872010, 1724642, 1744020, 2586963, 3449284, 4311605, 5173926, 7760889, 8623210, 10347852, 12934815, 15521778, 17246420, 25869630, 31043556, 38804445, 51739260, 77608890, 155217780]

約数ペア:

[(1, 155217780), (2, 77608890), (3, 51739260), (4, 38804445), (5, 31043556), (6, 25869630), (9, 17246420), (10, 15521778), (12, 12934815), (15, 10347852), (18, 8623210), (20, 7760889), (30, 5173926), (36, 4311605), (45, 3449284), (60, 2586963), (89, 1744020), (90, 1724642), (178, 872010), (180, 862321), (267, 581340), (356, 436005), (445, 348804), (534, 290670), (801, 193780), (890, 174402), (1068, 145335), (1335, 116268), (1602, 96890), (1780, 87201), (2670, 58134), (3204, 48445), (4005, 38756), (5340, 29067), (8010, 19378), (9689, 16020)]