215376560

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:248

約数の個数: 160

約数和(自身を含む): 599961600

約数和(自身を除く): 384585040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 47, 49, 56, 70, 80, 94, 98, 112, 140, 167, 188, 196, 235, 245, 280, 329, 334, 343, 376, 392, 470, 490, 560, 658, 668, 686, 752, 784, 835, 940, 980, 1169, 1316, 1336, 1372, 1645, 1670, 1715, 1880, 1960, 2303, 2338, 2632, 2672, 2744, 3290, 3340, 3430, 3760, 3920, 4606, 4676, 5264, 5488, 5845, 6580, 6680, 6860, 7849, 8183, 9212, 9352, 11515, 11690, 13160, 13360, 13720, 15698, 16121, 16366, 18424, 18704, 23030, 23380, 26320, 27440, 31396, 32242, 32732, 36848, 39245, 40915, 46060, 46760, 54943, 57281, 62792, 64484, 65464, 78490, 80605, 81830, 92120, 93520, 109886, 114562, 125584, 128968, 130928, 156980, 161210, 163660, 184240, 219772, 229124, 257936, 274715, 286405, 313960, 322420, 327320, 384601, 439544, 458248, 549430, 572810, 627920, 644840, 654640, 769202, 879088, 916496, 1098860, 1145620, 1289680, 1538404, 1923005, 2197720, 2291240, 2692207, 3076808, 3846010, 4395440, 4582480, 5384414, 6153616, 7692020, 10768828, 13461035, 15384040, 21537656, 26922070, 30768080, 43075312, 53844140, 107688280, 215376560]

約数ペア:

[(1, 215376560), (2, 107688280), (4, 53844140), (5, 43075312), (7, 30768080), (8, 26922070), (10, 21537656), (14, 15384040), (16, 13461035), (20, 10768828), (28, 7692020), (35, 6153616), (40, 5384414), (47, 4582480), (49, 4395440), (56, 3846010), (70, 3076808), (80, 2692207), (94, 2291240), (98, 2197720), (112, 1923005), (140, 1538404), (167, 1289680), (188, 1145620), (196, 1098860), (235, 916496), (245, 879088), (280, 769202), (329, 654640), (334, 644840), (343, 627920), (376, 572810), (392, 549430), (470, 458248), (490, 439544), (560, 384601), (658, 327320), (668, 322420), (686, 313960), (752, 286405), (784, 274715), (835, 257936), (940, 229124), (980, 219772), (1169, 184240), (1316, 163660), (1336, 161210), (1372, 156980), (1645, 130928), (1670, 128968), (1715, 125584), (1880, 114562), (1960, 109886), (2303, 93520), (2338, 92120), (2632, 81830), (2672, 80605), (2744, 78490), (3290, 65464), (3340, 64484), (3430, 62792), (3760, 57281), (3920, 54943), (4606, 46760), (4676, 46060), (5264, 40915), (5488, 39245), (5845, 36848), (6580, 32732), (6680, 32242), (6860, 31396), (7849, 27440), (8183, 26320), (9212, 23380), (9352, 23030), (11515, 18704), (11690, 18424), (13160, 16366), (13360, 16121), (13720, 15698)]