15876780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{733}}^1$

素因数の和:783

約数の個数: 72

約数和(自身を含む): 46981872

約数和(自身を除く): 31105092

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 361, 380, 570, 722, 733, 1083, 1140, 1444, 1466, 1805, 2166, 2199, 2932, 3610, 3665, 4332, 4398, 5415, 7220, 7330, 8796, 10830, 10995, 13927, 14660, 21660, 21990, 27854, 41781, 43980, 55708, 69635, 83562, 139270, 167124, 208905, 264613, 278540, 417810, 529226, 793839, 835620, 1058452, 1323065, 1587678, 2646130, 3175356, 3969195, 5292260, 7938390, 15876780]

約数ペア:

[(1, 15876780), (2, 7938390), (3, 5292260), (4, 3969195), (5, 3175356), (6, 2646130), (10, 1587678), (12, 1323065), (15, 1058452), (19, 835620), (20, 793839), (30, 529226), (38, 417810), (57, 278540), (60, 264613), (76, 208905), (95, 167124), (114, 139270), (190, 83562), (228, 69635), (285, 55708), (361, 43980), (380, 41781), (570, 27854), (722, 21990), (733, 21660), (1083, 14660), (1140, 13927), (1444, 10995), (1466, 10830), (1805, 8796), (2166, 7330), (2199, 7220), (2932, 5415), (3610, 4398), (3665, 4332)]