2578680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:78

約数の個数: 192

約数和(自身を含む): 9828000

約数和(自身を除く): 7249320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 24, 26, 29, 30, 36, 38, 39, 40, 45, 52, 57, 58, 60, 65, 72, 76, 78, 87, 90, 95, 104, 114, 116, 117, 120, 130, 145, 152, 156, 171, 174, 180, 190, 195, 228, 232, 234, 247, 260, 261, 285, 290, 312, 342, 348, 360, 377, 380, 390, 435, 456, 468, 494, 520, 522, 551, 570, 580, 585, 684, 696, 741, 754, 760, 780, 855, 870, 936, 988, 1044, 1102, 1131, 1140, 1160, 1170, 1235, 1305, 1368, 1482, 1508, 1560, 1653, 1710, 1740, 1885, 1976, 2088, 2204, 2223, 2262, 2280, 2340, 2470, 2610, 2755, 2964, 3016, 3306, 3393, 3420, 3480, 3705, 3770, 4408, 4446, 4524, 4680, 4940, 4959, 5220, 5510, 5655, 5928, 6612, 6786, 6840, 7163, 7410, 7540, 8265, 8892, 9048, 9880, 9918, 10440, 11020, 11115, 11310, 13224, 13572, 14326, 14820, 15080, 16530, 16965, 17784, 19836, 21489, 22040, 22230, 22620, 24795, 27144, 28652, 29640, 33060, 33930, 35815, 39672, 42978, 44460, 45240, 49590, 57304, 64467, 66120, 67860, 71630, 85956, 88920, 99180, 107445, 128934, 135720, 143260, 171912, 198360, 214890, 257868, 286520, 322335, 429780, 515736, 644670, 859560, 1289340, 2578680]

約数ペア:

[(1, 2578680), (2, 1289340), (3, 859560), (4, 644670), (5, 515736), (6, 429780), (8, 322335), (9, 286520), (10, 257868), (12, 214890), (13, 198360), (15, 171912), (18, 143260), (19, 135720), (20, 128934), (24, 107445), (26, 99180), (29, 88920), (30, 85956), (36, 71630), (38, 67860), (39, 66120), (40, 64467), (45, 57304), (52, 49590), (57, 45240), (58, 44460), (60, 42978), (65, 39672), (72, 35815), (76, 33930), (78, 33060), (87, 29640), (90, 28652), (95, 27144), (104, 24795), (114, 22620), (116, 22230), (117, 22040), (120, 21489), (130, 19836), (145, 17784), (152, 16965), (156, 16530), (171, 15080), (174, 14820), (180, 14326), (190, 13572), (195, 13224), (228, 11310), (232, 11115), (234, 11020), (247, 10440), (260, 9918), (261, 9880), (285, 9048), (290, 8892), (312, 8265), (342, 7540), (348, 7410), (360, 7163), (377, 6840), (380, 6786), (390, 6612), (435, 5928), (456, 5655), (468, 5510), (494, 5220), (520, 4959), (522, 4940), (551, 4680), (570, 4524), (580, 4446), (585, 4408), (684, 3770), (696, 3705), (741, 3480), (754, 3420), (760, 3393), (780, 3306), (855, 3016), (870, 2964), (936, 2755), (988, 2610), (1044, 2470), (1102, 2340), (1131, 2280), (1140, 2262), (1160, 2223), (1170, 2204), (1235, 2088), (1305, 1976), (1368, 1885), (1482, 1740), (1508, 1710), (1560, 1653)]