42052140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17971}}^1$

素因数の和:17999

約数の個数: 72

約数和(自身を含む): 137377968

約数和(自身を除く): 95325828

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 17971, 35942, 53913, 71884, 89855, 107826, 161739, 179710, 215652, 233623, 269565, 323478, 359420, 467246, 539130, 646956, 700869, 808695, 934492, 1078260, 1168115, 1401738, 1617390, 2102607, 2336230, 2803476, 3234780, 3504345, 4205214, 4672460, 7008690, 8410428, 10513035, 14017380, 21026070, 42052140]

約数ペア:

[(1, 42052140), (2, 21026070), (3, 14017380), (4, 10513035), (5, 8410428), (6, 7008690), (9, 4672460), (10, 4205214), (12, 3504345), (13, 3234780), (15, 2803476), (18, 2336230), (20, 2102607), (26, 1617390), (30, 1401738), (36, 1168115), (39, 1078260), (45, 934492), (52, 808695), (60, 700869), (65, 646956), (78, 539130), (90, 467246), (117, 359420), (130, 323478), (156, 269565), (180, 233623), (195, 215652), (234, 179710), (260, 161739), (390, 107826), (468, 89855), (585, 71884), (780, 53913), (1170, 35942), (2340, 17971)]