215232640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:582

約数の個数: 128

約数和(自身を含む): 594864000

約数和(自身を除く): 379631360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 107, 112, 128, 140, 160, 214, 224, 280, 320, 428, 448, 449, 535, 560, 640, 749, 856, 896, 898, 1070, 1120, 1498, 1712, 1796, 2140, 2240, 2245, 2996, 3143, 3424, 3592, 3745, 4280, 4480, 4490, 5992, 6286, 6848, 7184, 7490, 8560, 8980, 11984, 12572, 13696, 14368, 14980, 15715, 17120, 17960, 23968, 25144, 28736, 29960, 31430, 34240, 35920, 47936, 48043, 50288, 57472, 59920, 62860, 68480, 71840, 95872, 96086, 100576, 119840, 125720, 143680, 192172, 201152, 239680, 240215, 251440, 287360, 336301, 384344, 402304, 479360, 480430, 502880, 672602, 768688, 960860, 1005760, 1345204, 1537376, 1681505, 1921720, 2011520, 2690408, 3074752, 3363010, 3843440, 5380816, 6149504, 6726020, 7686880, 10761632, 13452040, 15373760, 21523264, 26904080, 30747520, 43046528, 53808160, 107616320, 215232640]

約数ペア:

[(1, 215232640), (2, 107616320), (4, 53808160), (5, 43046528), (7, 30747520), (8, 26904080), (10, 21523264), (14, 15373760), (16, 13452040), (20, 10761632), (28, 7686880), (32, 6726020), (35, 6149504), (40, 5380816), (56, 3843440), (64, 3363010), (70, 3074752), (80, 2690408), (107, 2011520), (112, 1921720), (128, 1681505), (140, 1537376), (160, 1345204), (214, 1005760), (224, 960860), (280, 768688), (320, 672602), (428, 502880), (448, 480430), (449, 479360), (535, 402304), (560, 384344), (640, 336301), (749, 287360), (856, 251440), (896, 240215), (898, 239680), (1070, 201152), (1120, 192172), (1498, 143680), (1712, 125720), (1796, 119840), (2140, 100576), (2240, 96086), (2245, 95872), (2996, 71840), (3143, 68480), (3424, 62860), (3592, 59920), (3745, 57472), (4280, 50288), (4480, 48043), (4490, 47936), (5992, 35920), (6286, 34240), (6848, 31430), (7184, 29960), (7490, 28736), (8560, 25144), (8980, 23968), (11984, 17960), (12572, 17120), (13696, 15715), (14368, 14980)]