280407240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{113}}^2$

素因数の和:304

約数の個数: 144

約数和(自身を含む): 934532820

約数和(自身を除く): 654125580

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 113, 120, 122, 180, 183, 226, 244, 305, 339, 360, 366, 452, 488, 549, 565, 610, 678, 732, 904, 915, 1017, 1098, 1130, 1220, 1356, 1464, 1695, 1830, 2034, 2196, 2260, 2440, 2712, 2745, 3390, 3660, 4068, 4392, 4520, 5085, 5490, 6780, 6893, 7320, 8136, 10170, 10980, 12769, 13560, 13786, 20340, 20679, 21960, 25538, 27572, 34465, 38307, 40680, 41358, 51076, 55144, 62037, 63845, 68930, 76614, 82716, 102152, 103395, 114921, 124074, 127690, 137860, 153228, 165432, 191535, 206790, 229842, 248148, 255380, 275720, 306456, 310185, 383070, 413580, 459684, 496296, 510760, 574605, 620370, 766140, 778909, 827160, 919368, 1149210, 1240740, 1532280, 1557818, 2298420, 2336727, 2481480, 3115636, 3894545, 4596840, 4673454, 6231272, 7010181, 7789090, 9346908, 11683635, 14020362, 15578180, 18693816, 23367270, 28040724, 31156360, 35050905, 46734540, 56081448, 70101810, 93469080, 140203620, 280407240]

約数ペア:

[(1, 280407240), (2, 140203620), (3, 93469080), (4, 70101810), (5, 56081448), (6, 46734540), (8, 35050905), (9, 31156360), (10, 28040724), (12, 23367270), (15, 18693816), (18, 15578180), (20, 14020362), (24, 11683635), (30, 9346908), (36, 7789090), (40, 7010181), (45, 6231272), (60, 4673454), (61, 4596840), (72, 3894545), (90, 3115636), (113, 2481480), (120, 2336727), (122, 2298420), (180, 1557818), (183, 1532280), (226, 1240740), (244, 1149210), (305, 919368), (339, 827160), (360, 778909), (366, 766140), (452, 620370), (488, 574605), (549, 510760), (565, 496296), (610, 459684), (678, 413580), (732, 383070), (904, 310185), (915, 306456), (1017, 275720), (1098, 255380), (1130, 248148), (1220, 229842), (1356, 206790), (1464, 191535), (1695, 165432), (1830, 153228), (2034, 137860), (2196, 127690), (2260, 124074), (2440, 114921), (2712, 103395), (2745, 102152), (3390, 82716), (3660, 76614), (4068, 68930), (4392, 63845), (4520, 62037), (5085, 55144), (5490, 51076), (6780, 41358), (6893, 40680), (7320, 38307), (8136, 34465), (10170, 27572), (10980, 25538), (12769, 21960), (13560, 20679), (13786, 20340)]