1789740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 5551728

約数和(自身を除く): 3761988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 163, 180, 183, 244, 305, 326, 366, 489, 549, 610, 652, 732, 815, 915, 978, 1098, 1220, 1467, 1630, 1830, 1956, 2196, 2445, 2745, 2934, 3260, 3660, 4890, 5490, 5868, 7335, 9780, 9943, 10980, 14670, 19886, 29340, 29829, 39772, 49715, 59658, 89487, 99430, 119316, 149145, 178974, 198860, 298290, 357948, 447435, 596580, 894870, 1789740]

約数ペア:

[(1, 1789740), (2, 894870), (3, 596580), (4, 447435), (5, 357948), (6, 298290), (9, 198860), (10, 178974), (12, 149145), (15, 119316), (18, 99430), (20, 89487), (30, 59658), (36, 49715), (45, 39772), (60, 29829), (61, 29340), (90, 19886), (122, 14670), (163, 10980), (180, 9943), (183, 9780), (244, 7335), (305, 5868), (326, 5490), (366, 4890), (489, 3660), (549, 3260), (610, 2934), (652, 2745), (732, 2445), (815, 2196), (915, 1956), (978, 1830), (1098, 1630), (1220, 1467)]