1386840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 5160960

約数和(自身を除く): 3774120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 127, 130, 140, 156, 168, 182, 195, 210, 254, 260, 273, 280, 312, 364, 381, 390, 420, 455, 508, 520, 546, 635, 728, 762, 780, 840, 889, 910, 1016, 1092, 1270, 1365, 1524, 1560, 1651, 1778, 1820, 1905, 2184, 2540, 2667, 2730, 3048, 3302, 3556, 3640, 3810, 4445, 4953, 5080, 5334, 5460, 6604, 7112, 7620, 8255, 8890, 9906, 10668, 10920, 11557, 13208, 13335, 15240, 16510, 17780, 19812, 21336, 23114, 24765, 26670, 33020, 34671, 35560, 39624, 46228, 49530, 53340, 57785, 66040, 69342, 92456, 99060, 106680, 115570, 138684, 173355, 198120, 231140, 277368, 346710, 462280, 693420, 1386840]

約数ペア:

[(1, 1386840), (2, 693420), (3, 462280), (4, 346710), (5, 277368), (6, 231140), (7, 198120), (8, 173355), (10, 138684), (12, 115570), (13, 106680), (14, 99060), (15, 92456), (20, 69342), (21, 66040), (24, 57785), (26, 53340), (28, 49530), (30, 46228), (35, 39624), (39, 35560), (40, 34671), (42, 33020), (52, 26670), (56, 24765), (60, 23114), (65, 21336), (70, 19812), (78, 17780), (84, 16510), (91, 15240), (104, 13335), (105, 13208), (120, 11557), (127, 10920), (130, 10668), (140, 9906), (156, 8890), (168, 8255), (182, 7620), (195, 7112), (210, 6604), (254, 5460), (260, 5334), (273, 5080), (280, 4953), (312, 4445), (364, 3810), (381, 3640), (390, 3556), (420, 3302), (455, 3048), (508, 2730), (520, 2667), (546, 2540), (635, 2184), (728, 1905), (762, 1820), (780, 1778), (840, 1651), (889, 1560), (910, 1524), (1016, 1365), (1092, 1270)]