31689090

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{487}}^1$

素因数の和:744

約数の個数: 64

約数和(自身を含む): 85029120

約数和(自身を除く): 53340030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 241, 270, 482, 487, 723, 974, 1205, 1446, 1461, 2169, 2410, 2435, 2922, 3615, 4338, 4383, 4870, 6507, 7230, 7305, 8766, 10845, 13014, 13149, 14610, 21690, 21915, 26298, 32535, 43830, 65070, 65745, 117367, 131490, 234734, 352101, 586835, 704202, 1056303, 1173670, 1760505, 2112606, 3168909, 3521010, 5281515, 6337818, 10563030, 15844545, 31689090]

約数ペア:

[(1, 31689090), (2, 15844545), (3, 10563030), (5, 6337818), (6, 5281515), (9, 3521010), (10, 3168909), (15, 2112606), (18, 1760505), (27, 1173670), (30, 1056303), (45, 704202), (54, 586835), (90, 352101), (135, 234734), (241, 131490), (270, 117367), (482, 65745), (487, 65070), (723, 43830), (974, 32535), (1205, 26298), (1446, 21915), (1461, 21690), (2169, 14610), (2410, 13149), (2435, 13014), (2922, 10845), (3615, 8766), (4338, 7305), (4383, 7230), (4870, 6507)]