240682540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 96

約数和(自身を含む): 595123200

約数和(自身を除く): 354440660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 163, 199, 212, 265, 326, 371, 398, 530, 652, 742, 796, 815, 995, 1060, 1141, 1393, 1484, 1630, 1855, 1990, 2282, 2786, 3260, 3710, 3980, 4564, 5572, 5705, 6965, 7420, 8639, 10547, 11410, 13930, 17278, 21094, 22820, 27860, 32437, 34556, 42188, 43195, 52735, 60473, 64874, 73829, 86390, 105470, 120946, 129748, 147658, 162185, 172780, 210940, 227059, 241892, 295316, 302365, 324370, 369145, 454118, 604730, 648740, 738290, 908236, 1135295, 1209460, 1476580, 1719161, 2270590, 3438322, 4541180, 6876644, 8595805, 12034127, 17191610, 24068254, 34383220, 48136508, 60170635, 120341270, 240682540]

約数ペア:

[(1, 240682540), (2, 120341270), (4, 60170635), (5, 48136508), (7, 34383220), (10, 24068254), (14, 17191610), (20, 12034127), (28, 8595805), (35, 6876644), (53, 4541180), (70, 3438322), (106, 2270590), (140, 1719161), (163, 1476580), (199, 1209460), (212, 1135295), (265, 908236), (326, 738290), (371, 648740), (398, 604730), (530, 454118), (652, 369145), (742, 324370), (796, 302365), (815, 295316), (995, 241892), (1060, 227059), (1141, 210940), (1393, 172780), (1484, 162185), (1630, 147658), (1855, 129748), (1990, 120946), (2282, 105470), (2786, 86390), (3260, 73829), (3710, 64874), (3980, 60473), (4564, 52735), (5572, 43195), (5705, 42188), (6965, 34556), (7420, 32437), (8639, 27860), (10547, 22820), (11410, 21094), (13930, 17278)]