289140

素因数分解:

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

素因数の和:152

約数の個数: 48

約数和(自身を含む): 833280

約数和(自身を除く): 544140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 79, 122, 158, 183, 237, 244, 305, 316, 366, 395, 474, 610, 732, 790, 915, 948, 1185, 1220, 1580, 1830, 2370, 3660, 4740, 4819, 9638, 14457, 19276, 24095, 28914, 48190, 57828, 72285, 96380, 144570, 289140]

約数ペア:

[(1, 289140), (2, 144570), (3, 96380), (4, 72285), (5, 57828), (6, 48190), (10, 28914), (12, 24095), (15, 19276), (20, 14457), (30, 9638), (60, 4819), (61, 4740), (79, 3660), (122, 2370), (158, 1830), (183, 1580), (237, 1220), (244, 1185), (305, 948), (316, 915), (366, 790), (395, 732), (474, 610)]