31522440

素因数分解:

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

素因数の和:247

約数の個数: 128

約数和(自身を含む): 99792000

約数和(自身を除く): 68269560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 149, 164, 172, 205, 215, 246, 258, 298, 328, 344, 410, 430, 447, 492, 516, 596, 615, 645, 745, 820, 860, 894, 984, 1032, 1192, 1230, 1290, 1490, 1640, 1720, 1763, 1788, 2235, 2460, 2580, 2980, 3526, 3576, 4470, 4920, 5160, 5289, 5960, 6109, 6407, 7052, 8815, 8940, 10578, 12218, 12814, 14104, 17630, 17880, 18327, 19221, 21156, 24436, 25628, 26445, 30545, 32035, 35260, 36654, 38442, 42312, 48872, 51256, 52890, 61090, 64070, 70520, 73308, 76884, 91635, 96105, 105780, 122180, 128140, 146616, 153768, 183270, 192210, 211560, 244360, 256280, 262687, 366540, 384420, 525374, 733080, 768840, 788061, 1050748, 1313435, 1576122, 2101496, 2626870, 3152244, 3940305, 5253740, 6304488, 7880610, 10507480, 15761220, 31522440]

約数ペア:

[(1, 31522440), (2, 15761220), (3, 10507480), (4, 7880610), (5, 6304488), (6, 5253740), (8, 3940305), (10, 3152244), (12, 2626870), (15, 2101496), (20, 1576122), (24, 1313435), (30, 1050748), (40, 788061), (41, 768840), (43, 733080), (60, 525374), (82, 384420), (86, 366540), (120, 262687), (123, 256280), (129, 244360), (149, 211560), (164, 192210), (172, 183270), (205, 153768), (215, 146616), (246, 128140), (258, 122180), (298, 105780), (328, 96105), (344, 91635), (410, 76884), (430, 73308), (447, 70520), (492, 64070), (516, 61090), (596, 52890), (615, 51256), (645, 48872), (745, 42312), (820, 38442), (860, 36654), (894, 35260), (984, 32035), (1032, 30545), (1192, 26445), (1230, 25628), (1290, 24436), (1490, 21156), (1640, 19221), (1720, 18327), (1763, 17880), (1788, 17630), (2235, 14104), (2460, 12814), (2580, 12218), (2980, 10578), (3526, 8940), (3576, 8815), (4470, 7052), (4920, 6407), (5160, 6109), (5289, 5960)]