248722560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1489}}^1$

素因数の和:1543

約数の個数: 192

約数和(自身を含む): 889083000

約数和(自身を除く): 640360440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 32, 36, 40, 45, 48, 58, 60, 64, 72, 80, 87, 90, 96, 116, 120, 128, 144, 145, 160, 174, 180, 192, 232, 240, 261, 288, 290, 320, 348, 360, 384, 435, 464, 480, 522, 576, 580, 640, 696, 720, 870, 928, 960, 1044, 1152, 1160, 1305, 1392, 1440, 1489, 1740, 1856, 1920, 2088, 2320, 2610, 2784, 2880, 2978, 3480, 3712, 4176, 4467, 4640, 5220, 5568, 5760, 5956, 6960, 7445, 8352, 8934, 9280, 10440, 11136, 11912, 13401, 13920, 14890, 16704, 17868, 18560, 20880, 22335, 23824, 26802, 27840, 29780, 33408, 35736, 41760, 43181, 44670, 47648, 53604, 55680, 59560, 67005, 71472, 83520, 86362, 89340, 95296, 107208, 119120, 129543, 134010, 142944, 167040, 172724, 178680, 190592, 214416, 215905, 238240, 259086, 268020, 285888, 345448, 357360, 388629, 428832, 431810, 476480, 518172, 536040, 571776, 647715, 690896, 714720, 777258, 857664, 863620, 952960, 1036344, 1072080, 1295430, 1381792, 1429440, 1554516, 1715328, 1727240, 1943145, 2072688, 2144160, 2590860, 2763584, 2858880, 3109032, 3454480, 3886290, 4145376, 4288320, 5181720, 5527168, 6218064, 6908960, 7772580, 8290752, 8576640, 10363440, 12436128, 13817920, 15545160, 16581504, 20726880, 24872256, 27635840, 31090320, 41453760, 49744512, 62180640, 82907520, 124361280, 248722560]

約数ペア:

[(1, 248722560), (2, 124361280), (3, 82907520), (4, 62180640), (5, 49744512), (6, 41453760), (8, 31090320), (9, 27635840), (10, 24872256), (12, 20726880), (15, 16581504), (16, 15545160), (18, 13817920), (20, 12436128), (24, 10363440), (29, 8576640), (30, 8290752), (32, 7772580), (36, 6908960), (40, 6218064), (45, 5527168), (48, 5181720), (58, 4288320), (60, 4145376), (64, 3886290), (72, 3454480), (80, 3109032), (87, 2858880), (90, 2763584), (96, 2590860), (116, 2144160), (120, 2072688), (128, 1943145), (144, 1727240), (145, 1715328), (160, 1554516), (174, 1429440), (180, 1381792), (192, 1295430), (232, 1072080), (240, 1036344), (261, 952960), (288, 863620), (290, 857664), (320, 777258), (348, 714720), (360, 690896), (384, 647715), (435, 571776), (464, 536040), (480, 518172), (522, 476480), (576, 431810), (580, 428832), (640, 388629), (696, 357360), (720, 345448), (870, 285888), (928, 268020), (960, 259086), (1044, 238240), (1152, 215905), (1160, 214416), (1305, 190592), (1392, 178680), (1440, 172724), (1489, 167040), (1740, 142944), (1856, 134010), (1920, 129543), (2088, 119120), (2320, 107208), (2610, 95296), (2784, 89340), (2880, 86362), (2978, 83520), (3480, 71472), (3712, 67005), (4176, 59560), (4467, 55680), (4640, 53604), (5220, 47648), (5568, 44670), (5760, 43181), (5956, 41760), (6960, 35736), (7445, 33408), (8352, 29780), (8934, 27840), (9280, 26802), (10440, 23824), (11136, 22335), (11912, 20880), (13401, 18560), (13920, 17868), (14890, 16704)]