131814060

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1999}}^1$

素因数の和:2175

約数の個数: 96

約数和(自身を含む): 424704000

約数和(自身を除く): 292889940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 628, 785, 942, 1099, 1570, 1884, 1999, 2198, 2355, 3140, 3297, 3998, 4396, 4710, 5495, 5997, 6594, 7996, 9420, 9995, 10990, 11994, 13188, 13993, 16485, 19990, 21980, 23988, 27986, 29985, 32970, 39980, 41979, 55972, 59970, 65940, 69965, 83958, 119940, 139930, 167916, 209895, 279860, 313843, 419790, 627686, 839580, 941529, 1255372, 1569215, 1883058, 2196901, 3138430, 3766116, 4393802, 4707645, 6276860, 6590703, 8787604, 9415290, 10984505, 13181406, 18830580, 21969010, 26362812, 32953515, 43938020, 65907030, 131814060]

約数ペア:

[(1, 131814060), (2, 65907030), (3, 43938020), (4, 32953515), (5, 26362812), (6, 21969010), (7, 18830580), (10, 13181406), (12, 10984505), (14, 9415290), (15, 8787604), (20, 6590703), (21, 6276860), (28, 4707645), (30, 4393802), (35, 3766116), (42, 3138430), (60, 2196901), (70, 1883058), (84, 1569215), (105, 1255372), (140, 941529), (157, 839580), (210, 627686), (314, 419790), (420, 313843), (471, 279860), (628, 209895), (785, 167916), (942, 139930), (1099, 119940), (1570, 83958), (1884, 69965), (1999, 65940), (2198, 59970), (2355, 55972), (3140, 41979), (3297, 39980), (3998, 32970), (4396, 29985), (4710, 27986), (5495, 23988), (5997, 21980), (6594, 19990), (7996, 16485), (9420, 13993), (9995, 13188), (10990, 11994)]