51123060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1487}}^1$

素因数の和:1693

約数の個数: 72

約数和(自身を含む): 155990016

約数和(自身を除く): 104866956

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1487, 1719, 1910, 2292, 2865, 2974, 3438, 3820, 4461, 5730, 5948, 6876, 7435, 8595, 8922, 11460, 13383, 14870, 17190, 17844, 22305, 26766, 29740, 34380, 44610, 53532, 66915, 89220, 133830, 267660, 284017, 568034, 852051, 1136068, 1420085, 1704102, 2556153, 2840170, 3408204, 4260255, 5112306, 5680340, 8520510, 10224612, 12780765, 17041020, 25561530, 51123060]

約数ペア:

[(1, 51123060), (2, 25561530), (3, 17041020), (4, 12780765), (5, 10224612), (6, 8520510), (9, 5680340), (10, 5112306), (12, 4260255), (15, 3408204), (18, 2840170), (20, 2556153), (30, 1704102), (36, 1420085), (45, 1136068), (60, 852051), (90, 568034), (180, 284017), (191, 267660), (382, 133830), (573, 89220), (764, 66915), (955, 53532), (1146, 44610), (1487, 34380), (1719, 29740), (1910, 26766), (2292, 22305), (2865, 17844), (2974, 17190), (3438, 14870), (3820, 13383), (4461, 11460), (5730, 8922), (5948, 8595), (6876, 7435)]