867420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 2708160

約数和(自身を除く): 1840740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 61, 79, 90, 122, 158, 180, 183, 237, 244, 305, 316, 366, 395, 474, 549, 610, 711, 732, 790, 915, 948, 1098, 1185, 1220, 1422, 1580, 1830, 2196, 2370, 2745, 2844, 3555, 3660, 4740, 4819, 5490, 7110, 9638, 10980, 14220, 14457, 19276, 24095, 28914, 43371, 48190, 57828, 72285, 86742, 96380, 144570, 173484, 216855, 289140, 433710, 867420]

約数ペア:

[(1, 867420), (2, 433710), (3, 289140), (4, 216855), (5, 173484), (6, 144570), (9, 96380), (10, 86742), (12, 72285), (15, 57828), (18, 48190), (20, 43371), (30, 28914), (36, 24095), (45, 19276), (60, 14457), (61, 14220), (79, 10980), (90, 9638), (122, 7110), (158, 5490), (180, 4819), (183, 4740), (237, 3660), (244, 3555), (305, 2844), (316, 2745), (366, 2370), (395, 2196), (474, 1830), (549, 1580), (610, 1422), (711, 1220), (732, 1185), (790, 1098), (915, 948)]