15761220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 46569600

約数和(自身を除く): 30808380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 43, 60, 82, 86, 123, 129, 149, 164, 172, 205, 215, 246, 258, 298, 410, 430, 447, 492, 516, 596, 615, 645, 745, 820, 860, 894, 1230, 1290, 1490, 1763, 1788, 2235, 2460, 2580, 2980, 3526, 4470, 5289, 6109, 6407, 7052, 8815, 8940, 10578, 12218, 12814, 17630, 18327, 19221, 21156, 24436, 25628, 26445, 30545, 32035, 35260, 36654, 38442, 52890, 61090, 64070, 73308, 76884, 91635, 96105, 105780, 122180, 128140, 183270, 192210, 262687, 366540, 384420, 525374, 788061, 1050748, 1313435, 1576122, 2626870, 3152244, 3940305, 5253740, 7880610, 15761220]

約数ペア:

[(1, 15761220), (2, 7880610), (3, 5253740), (4, 3940305), (5, 3152244), (6, 2626870), (10, 1576122), (12, 1313435), (15, 1050748), (20, 788061), (30, 525374), (41, 384420), (43, 366540), (60, 262687), (82, 192210), (86, 183270), (123, 128140), (129, 122180), (149, 105780), (164, 96105), (172, 91635), (205, 76884), (215, 73308), (246, 64070), (258, 61090), (298, 52890), (410, 38442), (430, 36654), (447, 35260), (492, 32035), (516, 30545), (596, 26445), (615, 25628), (645, 24436), (745, 21156), (820, 19221), (860, 18327), (894, 17630), (1230, 12814), (1290, 12218), (1490, 10578), (1763, 8940), (1788, 8815), (2235, 7052), (2460, 6407), (2580, 6109), (2980, 5289), (3526, 4470)]