1207684980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{216431}}^1$

素因数の和:216477

約数の個数: 72

約数和(自身を含む): 3781499904

約数和(自身を除く): 2573814924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 216431, 432862, 649293, 865724, 1082155, 1298586, 1947879, 2164310, 2597172, 3246465, 3895758, 4328620, 6492930, 6709361, 7791516, 9739395, 12985860, 13418722, 19478790, 20128083, 26837444, 33546805, 38957580, 40256166, 60384249, 67093610, 80512332, 100640415, 120768498, 134187220, 201280830, 241536996, 301921245, 402561660, 603842490, 1207684980]

約数ペア:

[(1, 1207684980), (2, 603842490), (3, 402561660), (4, 301921245), (5, 241536996), (6, 201280830), (9, 134187220), (10, 120768498), (12, 100640415), (15, 80512332), (18, 67093610), (20, 60384249), (30, 40256166), (31, 38957580), (36, 33546805), (45, 26837444), (60, 20128083), (62, 19478790), (90, 13418722), (93, 12985860), (124, 9739395), (155, 7791516), (180, 6709361), (186, 6492930), (279, 4328620), (310, 3895758), (372, 3246465), (465, 2597172), (558, 2164310), (620, 1947879), (930, 1298586), (1116, 1082155), (1395, 865724), (1860, 649293), (2790, 432862), (5580, 216431)]