128641680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:210

約数の個数: 240

約数和(自身を含む): 458742960

約数和(自身を除く): 330101280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 45, 48, 58, 60, 61, 72, 80, 87, 90, 101, 116, 120, 122, 144, 145, 174, 180, 183, 202, 232, 240, 244, 261, 290, 303, 305, 348, 360, 366, 404, 435, 464, 488, 505, 522, 549, 580, 606, 610, 696, 720, 732, 808, 870, 909, 915, 976, 1010, 1044, 1098, 1160, 1212, 1220, 1305, 1392, 1464, 1515, 1616, 1740, 1769, 1818, 1830, 2020, 2088, 2196, 2320, 2424, 2440, 2610, 2745, 2928, 2929, 3030, 3480, 3538, 3636, 3660, 4040, 4176, 4392, 4545, 4848, 4880, 5220, 5307, 5490, 5858, 6060, 6161, 6960, 7076, 7272, 7320, 8080, 8784, 8787, 8845, 9090, 10440, 10614, 10980, 11716, 12120, 12322, 14152, 14544, 14640, 14645, 15921, 17574, 17690, 18180, 18483, 20880, 21228, 21960, 23432, 24240, 24644, 26361, 26535, 28304, 29290, 30805, 31842, 35148, 35380, 36360, 36966, 42456, 43920, 43935, 46864, 49288, 52722, 53070, 55449, 58580, 61610, 63684, 70296, 70760, 72720, 73932, 79605, 84912, 87870, 92415, 98576, 105444, 106140, 110898, 117160, 123220, 127368, 131805, 140592, 141520, 147864, 159210, 175740, 178669, 184830, 210888, 212280, 221796, 234320, 246440, 254736, 263610, 277245, 295728, 318420, 351480, 357338, 369660, 421776, 424560, 443592, 492880, 527220, 536007, 554490, 636840, 702960, 714676, 739320, 887184, 893345, 1054440, 1072014, 1108980, 1273680, 1429352, 1478640, 1608021, 1786690, 2108880, 2144028, 2217960, 2680035, 2858704, 3216042, 3573380, 4288056, 4435920, 5360070, 6432084, 7146760, 8040105, 8576112, 10720140, 12864168, 14293520, 16080210, 21440280, 25728336, 32160420, 42880560, 64320840, 128641680]

約数ペア:

[(1, 128641680), (2, 64320840), (3, 42880560), (4, 32160420), (5, 25728336), (6, 21440280), (8, 16080210), (9, 14293520), (10, 12864168), (12, 10720140), (15, 8576112), (16, 8040105), (18, 7146760), (20, 6432084), (24, 5360070), (29, 4435920), (30, 4288056), (36, 3573380), (40, 3216042), (45, 2858704), (48, 2680035), (58, 2217960), (60, 2144028), (61, 2108880), (72, 1786690), (80, 1608021), (87, 1478640), (90, 1429352), (101, 1273680), (116, 1108980), (120, 1072014), (122, 1054440), (144, 893345), (145, 887184), (174, 739320), (180, 714676), (183, 702960), (202, 636840), (232, 554490), (240, 536007), (244, 527220), (261, 492880), (290, 443592), (303, 424560), (305, 421776), (348, 369660), (360, 357338), (366, 351480), (404, 318420), (435, 295728), (464, 277245), (488, 263610), (505, 254736), (522, 246440), (549, 234320), (580, 221796), (606, 212280), (610, 210888), (696, 184830), (720, 178669), (732, 175740), (808, 159210), (870, 147864), (909, 141520), (915, 140592), (976, 131805), (1010, 127368), (1044, 123220), (1098, 117160), (1160, 110898), (1212, 106140), (1220, 105444), (1305, 98576), (1392, 92415), (1464, 87870), (1515, 84912), (1616, 79605), (1740, 73932), (1769, 72720), (1818, 70760), (1830, 70296), (2020, 63684), (2088, 61610), (2196, 58580), (2320, 55449), (2424, 53070), (2440, 52722), (2610, 49288), (2745, 46864), (2928, 43935), (2929, 43920), (3030, 42456), (3480, 36966), (3538, 36360), (3636, 35380), (3660, 35148), (4040, 31842), (4176, 30805), (4392, 29290), (4545, 28304), (4848, 26535), (4880, 26361), (5220, 24644), (5307, 24240), (5490, 23432), (5858, 21960), (6060, 21228), (6161, 20880), (6960, 18483), (7076, 18180), (7272, 17690), (7320, 17574), (8080, 15921), (8784, 14645), (8787, 14640), (8845, 14544), (9090, 14152), (10440, 12322), (10614, 12120), (10980, 11716)]