78768540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7417}}^1$

素因数の和:7491

約数の個数: 72

約数和(自身を含む): 243013680

約数和(自身を除く): 164245140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 90, 118, 177, 180, 236, 295, 354, 531, 590, 708, 885, 1062, 1180, 1770, 2124, 2655, 3540, 5310, 7417, 10620, 14834, 22251, 29668, 37085, 44502, 66753, 74170, 89004, 111255, 133506, 148340, 222510, 267012, 333765, 437603, 445020, 667530, 875206, 1312809, 1335060, 1750412, 2188015, 2625618, 3938427, 4376030, 5251236, 6564045, 7876854, 8752060, 13128090, 15753708, 19692135, 26256180, 39384270, 78768540]

約数ペア:

[(1, 78768540), (2, 39384270), (3, 26256180), (4, 19692135), (5, 15753708), (6, 13128090), (9, 8752060), (10, 7876854), (12, 6564045), (15, 5251236), (18, 4376030), (20, 3938427), (30, 2625618), (36, 2188015), (45, 1750412), (59, 1335060), (60, 1312809), (90, 875206), (118, 667530), (177, 445020), (180, 437603), (236, 333765), (295, 267012), (354, 222510), (531, 148340), (590, 133506), (708, 111255), (885, 89004), (1062, 74170), (1180, 66753), (1770, 44502), (2124, 37085), (2655, 29668), (3540, 22251), (5310, 14834), (7417, 10620)]