64320840

素因数分解:

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

素因数の和:208

約数の個数: 192

約数和(自身を含む): 221972400

約数和(自身を除く): 157651560

約数列:

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

約数ペア:

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