15020120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12113}}^1$

素因数の和:12155

約数の個数: 32

約数和(自身を含む): 34888320

約数和(自身を除く): 19868200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 12113, 24226, 48452, 60565, 96904, 121130, 242260, 375503, 484520, 751006, 1502012, 1877515, 3004024, 3755030, 7510060, 15020120]

約数ペア:

[(1, 15020120), (2, 7510060), (4, 3755030), (5, 3004024), (8, 1877515), (10, 1502012), (20, 751006), (31, 484520), (40, 375503), (62, 242260), (124, 121130), (155, 96904), (248, 60565), (310, 48452), (620, 24226), (1240, 12113)]