18008520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:195

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 39499320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 47, 60, 62, 93, 94, 103, 120, 124, 141, 155, 186, 188, 206, 235, 248, 282, 309, 310, 372, 376, 412, 465, 470, 515, 564, 618, 620, 705, 744, 824, 930, 940, 1030, 1128, 1236, 1240, 1410, 1457, 1545, 1860, 1880, 2060, 2472, 2820, 2914, 3090, 3193, 3720, 4120, 4371, 4841, 5640, 5828, 6180, 6386, 7285, 8742, 9579, 9682, 11656, 12360, 12772, 14523, 14570, 15965, 17484, 19158, 19364, 21855, 24205, 25544, 29046, 29140, 31930, 34968, 38316, 38728, 43710, 47895, 48410, 58092, 58280, 63860, 72615, 76632, 87420, 95790, 96820, 116184, 127720, 145230, 150071, 174840, 191580, 193640, 290460, 300142, 383160, 450213, 580920, 600284, 750355, 900426, 1200568, 1500710, 1800852, 2251065, 3001420, 3601704, 4502130, 6002840, 9004260, 18008520]

約数ペア:

[(1, 18008520), (2, 9004260), (3, 6002840), (4, 4502130), (5, 3601704), (6, 3001420), (8, 2251065), (10, 1800852), (12, 1500710), (15, 1200568), (20, 900426), (24, 750355), (30, 600284), (31, 580920), (40, 450213), (47, 383160), (60, 300142), (62, 290460), (93, 193640), (94, 191580), (103, 174840), (120, 150071), (124, 145230), (141, 127720), (155, 116184), (186, 96820), (188, 95790), (206, 87420), (235, 76632), (248, 72615), (282, 63860), (309, 58280), (310, 58092), (372, 48410), (376, 47895), (412, 43710), (465, 38728), (470, 38316), (515, 34968), (564, 31930), (618, 29140), (620, 29046), (705, 25544), (744, 24205), (824, 21855), (930, 19364), (940, 19158), (1030, 17484), (1128, 15965), (1236, 14570), (1240, 14523), (1410, 12772), (1457, 12360), (1545, 11656), (1860, 9682), (1880, 9579), (2060, 8742), (2472, 7285), (2820, 6386), (2914, 6180), (3090, 5828), (3193, 5640), (3720, 4841), (4120, 4371)]