260662140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{383}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 838656000

約数和(自身を除く): 577993860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 199, 228, 285, 342, 380, 383, 398, 570, 597, 684, 766, 796, 855, 995, 1140, 1149, 1194, 1532, 1710, 1791, 1915, 1990, 2298, 2388, 2985, 3420, 3447, 3582, 3781, 3830, 3980, 4596, 5745, 5970, 6894, 7164, 7277, 7562, 7660, 8955, 11343, 11490, 11940, 13788, 14554, 15124, 17235, 17910, 18905, 21831, 22686, 22980, 29108, 34029, 34470, 35820, 36385, 37810, 43662, 45372, 56715, 65493, 68058, 68940, 72770, 75620, 76217, 87324, 109155, 113430, 130986, 136116, 145540, 152434, 170145, 218310, 226860, 228651, 261972, 304868, 327465, 340290, 381085, 436620, 457302, 654930, 680580, 685953, 762170, 914604, 1143255, 1309860, 1371906, 1448123, 1524340, 2286510, 2743812, 2896246, 3429765, 4344369, 4573020, 5792492, 6859530, 7240615, 8688738, 13033107, 13719060, 14481230, 17377476, 21721845, 26066214, 28962460, 43443690, 52132428, 65165535, 86887380, 130331070, 260662140]

約数ペア:

[(1, 260662140), (2, 130331070), (3, 86887380), (4, 65165535), (5, 52132428), (6, 43443690), (9, 28962460), (10, 26066214), (12, 21721845), (15, 17377476), (18, 14481230), (19, 13719060), (20, 13033107), (30, 8688738), (36, 7240615), (38, 6859530), (45, 5792492), (57, 4573020), (60, 4344369), (76, 3429765), (90, 2896246), (95, 2743812), (114, 2286510), (171, 1524340), (180, 1448123), (190, 1371906), (199, 1309860), (228, 1143255), (285, 914604), (342, 762170), (380, 685953), (383, 680580), (398, 654930), (570, 457302), (597, 436620), (684, 381085), (766, 340290), (796, 327465), (855, 304868), (995, 261972), (1140, 228651), (1149, 226860), (1194, 218310), (1532, 170145), (1710, 152434), (1791, 145540), (1915, 136116), (1990, 130986), (2298, 113430), (2388, 109155), (2985, 87324), (3420, 76217), (3447, 75620), (3582, 72770), (3781, 68940), (3830, 68058), (3980, 65493), (4596, 56715), (5745, 45372), (5970, 43662), (6894, 37810), (7164, 36385), (7277, 35820), (7562, 34470), (7660, 34029), (8955, 29108), (11343, 22980), (11490, 22686), (11940, 21831), (13788, 18905), (14554, 17910), (15124, 17235)]