78354180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6131}}^1$

素因数の和:6217

約数の個数: 72

約数和(自身を含む): 241061184

約数和(自身を除く): 162707004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6131, 6390, 12262, 12780, 18393, 24524, 30655, 36786, 55179, 61310, 73572, 91965, 110358, 122620, 183930, 220716, 275895, 367860, 435301, 551790, 870602, 1103580, 1305903, 1741204, 2176505, 2611806, 3917709, 4353010, 5223612, 6529515, 7835418, 8706020, 13059030, 15670836, 19588545, 26118060, 39177090, 78354180]

約数ペア:

[(1, 78354180), (2, 39177090), (3, 26118060), (4, 19588545), (5, 15670836), (6, 13059030), (9, 8706020), (10, 7835418), (12, 6529515), (15, 5223612), (18, 4353010), (20, 3917709), (30, 2611806), (36, 2176505), (45, 1741204), (60, 1305903), (71, 1103580), (90, 870602), (142, 551790), (180, 435301), (213, 367860), (284, 275895), (355, 220716), (426, 183930), (639, 122620), (710, 110358), (852, 91965), (1065, 73572), (1278, 61310), (1420, 55179), (2130, 36786), (2556, 30655), (3195, 24524), (4260, 18393), (6131, 12780), (6390, 12262)]