128973780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55117}}^1$

素因数の和:55145

約数の個数: 72

約数和(自身を含む): 421321992

約数和(自身を除く): 292348212

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, 55117, 110234, 165351, 220468, 275585, 330702, 496053, 551170, 661404, 716521, 826755, 992106, 1102340, 1433042, 1653510, 1984212, 2149563, 2480265, 2866084, 3307020, 3582605, 4299126, 4960530, 6448689, 7165210, 8598252, 9921060, 10747815, 12897378, 14330420, 21495630, 25794756, 32243445, 42991260, 64486890, 128973780]

約数ペア:

[(1, 128973780), (2, 64486890), (3, 42991260), (4, 32243445), (5, 25794756), (6, 21495630), (9, 14330420), (10, 12897378), (12, 10747815), (13, 9921060), (15, 8598252), (18, 7165210), (20, 6448689), (26, 4960530), (30, 4299126), (36, 3582605), (39, 3307020), (45, 2866084), (52, 2480265), (60, 2149563), (65, 1984212), (78, 1653510), (90, 1433042), (117, 1102340), (130, 992106), (156, 826755), (180, 716521), (195, 661404), (234, 551170), (260, 496053), (390, 330702), (468, 275585), (585, 220468), (780, 165351), (1170, 110234), (2340, 55117)]