515621340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220351}}^1$

素因数の和:220379

約数の個数: 72

約数和(自身を含む): 1684370688

約数和(自身を除く): 1168749348

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, 220351, 440702, 661053, 881404, 1101755, 1322106, 1983159, 2203510, 2644212, 2864563, 3305265, 3966318, 4407020, 5729126, 6610530, 7932636, 8593689, 9915795, 11458252, 13221060, 14322815, 17187378, 19831590, 25781067, 28645630, 34374756, 39663180, 42968445, 51562134, 57291260, 85936890, 103124268, 128905335, 171873780, 257810670, 515621340]

約数ペア:

[(1, 515621340), (2, 257810670), (3, 171873780), (4, 128905335), (5, 103124268), (6, 85936890), (9, 57291260), (10, 51562134), (12, 42968445), (13, 39663180), (15, 34374756), (18, 28645630), (20, 25781067), (26, 19831590), (30, 17187378), (36, 14322815), (39, 13221060), (45, 11458252), (52, 9915795), (60, 8593689), (65, 7932636), (78, 6610530), (90, 5729126), (117, 4407020), (130, 3966318), (156, 3305265), (180, 2864563), (195, 2644212), (234, 2203510), (260, 1983159), (390, 1322106), (468, 1101755), (585, 881404), (780, 661053), (1170, 440702), (2340, 220351)]