745168980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{34403}}^1$

素因数の和:34453

約数の個数: 72

約数和(自身を含む): 2202131232

約数和(自身を除く): 1456962252

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, 1083, 1140, 1444, 1805, 2166, 3610, 4332, 5415, 7220, 10830, 21660, 34403, 68806, 103209, 137612, 172015, 206418, 344030, 412836, 516045, 653657, 688060, 1032090, 1307314, 1960971, 2064180, 2614628, 3268285, 3921942, 6536570, 7843884, 9804855, 12419483, 13073140, 19609710, 24838966, 37258449, 39219420, 49677932, 62097415, 74516898, 124194830, 149033796, 186292245, 248389660, 372584490, 745168980]

約数ペア:

[(1, 745168980), (2, 372584490), (3, 248389660), (4, 186292245), (5, 149033796), (6, 124194830), (10, 74516898), (12, 62097415), (15, 49677932), (19, 39219420), (20, 37258449), (30, 24838966), (38, 19609710), (57, 13073140), (60, 12419483), (76, 9804855), (95, 7843884), (114, 6536570), (190, 3921942), (228, 3268285), (285, 2614628), (361, 2064180), (380, 1960971), (570, 1307314), (722, 1032090), (1083, 688060), (1140, 653657), (1444, 516045), (1805, 412836), (2166, 344030), (3610, 206418), (4332, 172015), (5415, 137612), (7220, 103209), (10830, 68806), (21660, 34403)]