256502610

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31319}}^1$

素因数の和:31352

約数の個数: 96

約数和(自身を含む): 820834560

約数和(自身を除く): 564331950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2730, 4095, 8190, 31319, 62638, 93957, 156595, 187914, 219233, 281871, 313190, 407147, 438466, 469785, 563742, 657699, 814294, 939570, 1096165, 1221441, 1315398, 1409355, 1973097, 2035735, 2192330, 2442882, 2818710, 2850029, 3288495, 3664323, 3946194, 4071470, 5700058, 6107205, 6576990, 7328646, 8550087, 9865485, 12214410, 14250145, 17100174, 18321615, 19730970, 25650261, 28500290, 36643230, 42750435, 51300522, 85500870, 128251305, 256502610]

約数ペア:

[(1, 256502610), (2, 128251305), (3, 85500870), (5, 51300522), (6, 42750435), (7, 36643230), (9, 28500290), (10, 25650261), (13, 19730970), (14, 18321615), (15, 17100174), (18, 14250145), (21, 12214410), (26, 9865485), (30, 8550087), (35, 7328646), (39, 6576990), (42, 6107205), (45, 5700058), (63, 4071470), (65, 3946194), (70, 3664323), (78, 3288495), (90, 2850029), (91, 2818710), (105, 2442882), (117, 2192330), (126, 2035735), (130, 1973097), (182, 1409355), (195, 1315398), (210, 1221441), (234, 1096165), (273, 939570), (315, 814294), (390, 657699), (455, 563742), (546, 469785), (585, 438466), (630, 407147), (819, 313190), (910, 281871), (1170, 219233), (1365, 187914), (1638, 156595), (2730, 93957), (4095, 62638), (8190, 31319)]