77881560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2693}}^1$

素因数の和:2948

約数の個数: 64

約数和(自身を含む): 234701280

約数和(自身を除く): 156819720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 1205, 1446, 1928, 2410, 2693, 2892, 3615, 4820, 5386, 5784, 7230, 8079, 9640, 10772, 13465, 14460, 16158, 21544, 26930, 28920, 32316, 40395, 53860, 64632, 80790, 107720, 161580, 323160, 649013, 1298026, 1947039, 2596052, 3245065, 3894078, 5192104, 6490130, 7788156, 9735195, 12980260, 15576312, 19470390, 25960520, 38940780, 77881560]

約数ペア:

[(1, 77881560), (2, 38940780), (3, 25960520), (4, 19470390), (5, 15576312), (6, 12980260), (8, 9735195), (10, 7788156), (12, 6490130), (15, 5192104), (20, 3894078), (24, 3245065), (30, 2596052), (40, 1947039), (60, 1298026), (120, 649013), (241, 323160), (482, 161580), (723, 107720), (964, 80790), (1205, 64632), (1446, 53860), (1928, 40395), (2410, 32316), (2693, 28920), (2892, 26930), (3615, 21544), (4820, 16158), (5386, 14460), (5784, 13465), (7230, 10772), (8079, 9640)]