157207980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{42953}}^1$

素因数の和:43026

約数の個数: 48

約数和(自身を含む): 447408864

約数和(自身を除く): 290200884

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 42953, 85906, 128859, 171812, 214765, 257718, 429530, 515436, 644295, 859060, 1288590, 2577180, 2620133, 5240266, 7860399, 10480532, 13100665, 15720798, 26201330, 31441596, 39301995, 52402660, 78603990, 157207980]

約数ペア:

[(1, 157207980), (2, 78603990), (3, 52402660), (4, 39301995), (5, 31441596), (6, 26201330), (10, 15720798), (12, 13100665), (15, 10480532), (20, 7860399), (30, 5240266), (60, 2620133), (61, 2577180), (122, 1288590), (183, 859060), (244, 644295), (305, 515436), (366, 429530), (610, 257718), (732, 214765), (915, 171812), (1220, 128859), (1830, 85906), (3660, 42953)]