1222951840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 3202453800

約数和(自身を除く): 1979501960

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 181, 220, 242, 349, 352, 362, 440, 484, 605, 698, 724, 880, 905, 968, 1210, 1396, 1448, 1745, 1760, 1810, 1936, 1991, 2420, 2792, 2896, 3490, 3620, 3839, 3872, 3982, 4840, 5584, 5792, 6980, 7240, 7678, 7964, 9680, 9955, 11168, 13960, 14480, 15356, 15928, 19195, 19360, 19910, 21901, 27920, 28960, 30712, 31856, 38390, 39820, 42229, 43802, 55840, 61424, 63169, 63712, 76780, 79640, 84458, 87604, 109505, 122848, 126338, 153560, 159280, 168916, 175208, 211145, 219010, 252676, 307120, 315845, 318560, 337832, 350416, 422290, 438020, 505352, 614240, 631690, 675664, 694859, 700832, 844580, 876040, 1010704, 1263380, 1351328, 1389718, 1689160, 1752080, 2021408, 2526760, 2779436, 3378320, 3474295, 3504160, 5053520, 5558872, 6756640, 6948590, 7643449, 10107040, 11117744, 13897180, 15286898, 22235488, 27794360, 30573796, 38217245, 55588720, 61147592, 76434490, 111177440, 122295184, 152868980, 244590368, 305737960, 611475920, 1222951840]

約数ペア:

[(1, 1222951840), (2, 611475920), (4, 305737960), (5, 244590368), (8, 152868980), (10, 122295184), (11, 111177440), (16, 76434490), (20, 61147592), (22, 55588720), (32, 38217245), (40, 30573796), (44, 27794360), (55, 22235488), (80, 15286898), (88, 13897180), (110, 11117744), (121, 10107040), (160, 7643449), (176, 6948590), (181, 6756640), (220, 5558872), (242, 5053520), (349, 3504160), (352, 3474295), (362, 3378320), (440, 2779436), (484, 2526760), (605, 2021408), (698, 1752080), (724, 1689160), (880, 1389718), (905, 1351328), (968, 1263380), (1210, 1010704), (1396, 876040), (1448, 844580), (1745, 700832), (1760, 694859), (1810, 675664), (1936, 631690), (1991, 614240), (2420, 505352), (2792, 438020), (2896, 422290), (3490, 350416), (3620, 337832), (3839, 318560), (3872, 315845), (3982, 307120), (4840, 252676), (5584, 219010), (5792, 211145), (6980, 175208), (7240, 168916), (7678, 159280), (7964, 153560), (9680, 126338), (9955, 122848), (11168, 109505), (13960, 87604), (14480, 84458), (15356, 79640), (15928, 76780), (19195, 63712), (19360, 63169), (19910, 61424), (21901, 55840), (27920, 43802), (28960, 42229), (30712, 39820), (31856, 38390)]