78438840

素因数分解:

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

素因数の和:34436

約数の個数: 64

約数和(自身を含む): 247708800

約数和(自身を除く): 169269960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 380, 456, 570, 760, 1140, 2280, 34403, 68806, 103209, 137612, 172015, 206418, 275224, 344030, 412836, 516045, 653657, 688060, 825672, 1032090, 1307314, 1376120, 1960971, 2064180, 2614628, 3268285, 3921942, 4128360, 5229256, 6536570, 7843884, 9804855, 13073140, 15687768, 19609710, 26146280, 39219420, 78438840]

約数ペア:

[(1, 78438840), (2, 39219420), (3, 26146280), (4, 19609710), (5, 15687768), (6, 13073140), (8, 9804855), (10, 7843884), (12, 6536570), (15, 5229256), (19, 4128360), (20, 3921942), (24, 3268285), (30, 2614628), (38, 2064180), (40, 1960971), (57, 1376120), (60, 1307314), (76, 1032090), (95, 825672), (114, 688060), (120, 653657), (152, 516045), (190, 412836), (228, 344030), (285, 275224), (380, 206418), (456, 172015), (570, 137612), (760, 103209), (1140, 68806), (2280, 34403)]