142740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:89

約数の個数: 72

約数和(自身を含む): 473928

約数和(自身を除く): 331188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 61, 65, 78, 90, 117, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 366, 390, 468, 549, 585, 610, 732, 780, 793, 915, 1098, 1170, 1220, 1586, 1830, 2196, 2340, 2379, 2745, 3172, 3660, 3965, 4758, 5490, 7137, 7930, 9516, 10980, 11895, 14274, 15860, 23790, 28548, 35685, 47580, 71370, 142740]

約数ペア:

[(1, 142740), (2, 71370), (3, 47580), (4, 35685), (5, 28548), (6, 23790), (9, 15860), (10, 14274), (12, 11895), (13, 10980), (15, 9516), (18, 7930), (20, 7137), (26, 5490), (30, 4758), (36, 3965), (39, 3660), (45, 3172), (52, 2745), (60, 2379), (61, 2340), (65, 2196), (78, 1830), (90, 1586), (117, 1220), (122, 1170), (130, 1098), (156, 915), (180, 793), (183, 780), (195, 732), (234, 610), (244, 585), (260, 549), (305, 468), (366, 390)]