189870660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4861}}^1$

素因数の和:4914

約数の個数: 144

約数和(自身を含む): 679590912

約数和(自身を除く): 489720252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 31, 35, 36, 42, 45, 60, 62, 63, 70, 84, 90, 93, 105, 124, 126, 140, 155, 180, 186, 210, 217, 252, 279, 310, 315, 372, 420, 434, 465, 558, 620, 630, 651, 868, 930, 1085, 1116, 1260, 1302, 1395, 1860, 1953, 2170, 2604, 2790, 3255, 3906, 4340, 4861, 5580, 6510, 7812, 9722, 9765, 13020, 14583, 19444, 19530, 24305, 29166, 34027, 39060, 43749, 48610, 58332, 68054, 72915, 87498, 97220, 102081, 136108, 145830, 150691, 170135, 174996, 204162, 218745, 291660, 301382, 306243, 340270, 408324, 437490, 452073, 510405, 602764, 612486, 680540, 753455, 874980, 904146, 1020810, 1054837, 1224972, 1356219, 1506910, 1531215, 1808292, 2041620, 2109674, 2260365, 2712438, 3013820, 3062430, 3164511, 4219348, 4520730, 5274185, 5424876, 6124860, 6329022, 6781095, 9041460, 9493533, 10548370, 12658044, 13562190, 15822555, 18987066, 21096740, 27124380, 31645110, 37974132, 47467665, 63290220, 94935330, 189870660]

約数ペア:

[(1, 189870660), (2, 94935330), (3, 63290220), (4, 47467665), (5, 37974132), (6, 31645110), (7, 27124380), (9, 21096740), (10, 18987066), (12, 15822555), (14, 13562190), (15, 12658044), (18, 10548370), (20, 9493533), (21, 9041460), (28, 6781095), (30, 6329022), (31, 6124860), (35, 5424876), (36, 5274185), (42, 4520730), (45, 4219348), (60, 3164511), (62, 3062430), (63, 3013820), (70, 2712438), (84, 2260365), (90, 2109674), (93, 2041620), (105, 1808292), (124, 1531215), (126, 1506910), (140, 1356219), (155, 1224972), (180, 1054837), (186, 1020810), (210, 904146), (217, 874980), (252, 753455), (279, 680540), (310, 612486), (315, 602764), (372, 510405), (420, 452073), (434, 437490), (465, 408324), (558, 340270), (620, 306243), (630, 301382), (651, 291660), (868, 218745), (930, 204162), (1085, 174996), (1116, 170135), (1260, 150691), (1302, 145830), (1395, 136108), (1860, 102081), (1953, 97220), (2170, 87498), (2604, 72915), (2790, 68054), (3255, 58332), (3906, 48610), (4340, 43749), (4861, 39060), (5580, 34027), (6510, 29166), (7812, 24305), (9722, 19530), (9765, 19444), (13020, 14583)]