15732520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 37149840

約数和(自身を除く): 21417320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 181, 205, 212, 265, 328, 362, 410, 424, 530, 724, 820, 905, 1060, 1448, 1640, 1810, 2120, 2173, 3620, 4346, 7240, 7421, 8692, 9593, 10865, 14842, 17384, 19186, 21730, 29684, 37105, 38372, 43460, 47965, 59368, 74210, 76744, 86920, 95930, 148420, 191860, 296840, 383720, 393313, 786626, 1573252, 1966565, 3146504, 3933130, 7866260, 15732520]

約数ペア:

[(1, 15732520), (2, 7866260), (4, 3933130), (5, 3146504), (8, 1966565), (10, 1573252), (20, 786626), (40, 393313), (41, 383720), (53, 296840), (82, 191860), (106, 148420), (164, 95930), (181, 86920), (205, 76744), (212, 74210), (265, 59368), (328, 47965), (362, 43460), (410, 38372), (424, 37105), (530, 29684), (724, 21730), (820, 19186), (905, 17384), (1060, 14842), (1448, 10865), (1640, 9593), (1810, 8692), (2120, 7421), (2173, 7240), (3620, 4346)]