312597880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:981

約数の個数: 128

約数和(自身を含む): 859737600

約数和(自身を除く): 547139720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 67, 70, 76, 95, 133, 134, 140, 152, 190, 266, 268, 280, 335, 380, 469, 532, 536, 665, 670, 760, 877, 938, 1064, 1273, 1330, 1340, 1754, 1876, 2345, 2546, 2660, 2680, 3508, 3752, 4385, 4690, 5092, 5320, 6139, 6365, 7016, 8770, 8911, 9380, 10184, 12278, 12730, 16663, 17540, 17822, 18760, 24556, 25460, 30695, 33326, 35080, 35644, 44555, 49112, 50920, 58759, 61390, 66652, 71288, 83315, 89110, 116641, 117518, 122780, 133304, 166630, 178220, 233282, 235036, 245560, 293795, 333260, 356440, 411313, 466564, 470072, 583205, 587590, 666520, 822626, 933128, 1116421, 1166410, 1175180, 1645252, 2056565, 2232842, 2332820, 2350360, 3290504, 4113130, 4465684, 4665640, 5582105, 7814947, 8226260, 8931368, 11164210, 15629894, 16452520, 22328420, 31259788, 39074735, 44656840, 62519576, 78149470, 156298940, 312597880]

約数ペア:

[(1, 312597880), (2, 156298940), (4, 78149470), (5, 62519576), (7, 44656840), (8, 39074735), (10, 31259788), (14, 22328420), (19, 16452520), (20, 15629894), (28, 11164210), (35, 8931368), (38, 8226260), (40, 7814947), (56, 5582105), (67, 4665640), (70, 4465684), (76, 4113130), (95, 3290504), (133, 2350360), (134, 2332820), (140, 2232842), (152, 2056565), (190, 1645252), (266, 1175180), (268, 1166410), (280, 1116421), (335, 933128), (380, 822626), (469, 666520), (532, 587590), (536, 583205), (665, 470072), (670, 466564), (760, 411313), (877, 356440), (938, 333260), (1064, 293795), (1273, 245560), (1330, 235036), (1340, 233282), (1754, 178220), (1876, 166630), (2345, 133304), (2546, 122780), (2660, 117518), (2680, 116641), (3508, 89110), (3752, 83315), (4385, 71288), (4690, 66652), (5092, 61390), (5320, 58759), (6139, 50920), (6365, 49112), (7016, 44555), (8770, 35644), (8911, 35080), (9380, 33326), (10184, 30695), (12278, 25460), (12730, 24556), (16663, 18760), (17540, 17822)]