207664740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{18913}}^1$

素因数の和:18989

約数の個数: 72

約数和(自身を含む): 640276728

約数和(自身を除く): 432611988

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 90, 122, 180, 183, 244, 305, 366, 549, 610, 732, 915, 1098, 1220, 1830, 2196, 2745, 3660, 5490, 10980, 18913, 37826, 56739, 75652, 94565, 113478, 170217, 189130, 226956, 283695, 340434, 378260, 567390, 680868, 851085, 1134780, 1153693, 1702170, 2307386, 3404340, 3461079, 4614772, 5768465, 6922158, 10383237, 11536930, 13844316, 17305395, 20766474, 23073860, 34610790, 41532948, 51916185, 69221580, 103832370, 207664740]

約数ペア:

[(1, 207664740), (2, 103832370), (3, 69221580), (4, 51916185), (5, 41532948), (6, 34610790), (9, 23073860), (10, 20766474), (12, 17305395), (15, 13844316), (18, 11536930), (20, 10383237), (30, 6922158), (36, 5768465), (45, 4614772), (60, 3461079), (61, 3404340), (90, 2307386), (122, 1702170), (180, 1153693), (183, 1134780), (244, 851085), (305, 680868), (366, 567390), (549, 378260), (610, 340434), (732, 283695), (915, 226956), (1098, 189130), (1220, 170217), (1830, 113478), (2196, 94565), (2745, 75652), (3660, 56739), (5490, 37826), (10980, 18913)]