81508176

素因数分解:

$2^4\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^3$

素因数の和:126

約数の個数: 120

約数和(自身を含む): 248119040

約数和(自身を除く): 166610864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 31, 36, 38, 48, 57, 62, 72, 76, 93, 114, 124, 144, 152, 171, 186, 228, 248, 279, 304, 342, 372, 456, 496, 558, 589, 684, 744, 912, 961, 1116, 1178, 1368, 1488, 1767, 1922, 2232, 2356, 2736, 2883, 3534, 3844, 4464, 4712, 5301, 5766, 7068, 7688, 8649, 9424, 10602, 11532, 14136, 15376, 17298, 18259, 21204, 23064, 28272, 29791, 34596, 36518, 42408, 46128, 54777, 59582, 69192, 73036, 84816, 89373, 109554, 119164, 138384, 146072, 164331, 178746, 219108, 238328, 268119, 292144, 328662, 357492, 438216, 476656, 536238, 566029, 657324, 714984, 876432, 1072476, 1132058, 1314648, 1429968, 1698087, 2144952, 2264116, 2629296, 3396174, 4289904, 4528232, 5094261, 6792348, 9056464, 10188522, 13584696, 20377044, 27169392, 40754088, 81508176]

約数ペア:

[(1, 81508176), (2, 40754088), (3, 27169392), (4, 20377044), (6, 13584696), (8, 10188522), (9, 9056464), (12, 6792348), (16, 5094261), (18, 4528232), (19, 4289904), (24, 3396174), (31, 2629296), (36, 2264116), (38, 2144952), (48, 1698087), (57, 1429968), (62, 1314648), (72, 1132058), (76, 1072476), (93, 876432), (114, 714984), (124, 657324), (144, 566029), (152, 536238), (171, 476656), (186, 438216), (228, 357492), (248, 328662), (279, 292144), (304, 268119), (342, 238328), (372, 219108), (456, 178746), (496, 164331), (558, 146072), (589, 138384), (684, 119164), (744, 109554), (912, 89373), (961, 84816), (1116, 73036), (1178, 69192), (1368, 59582), (1488, 54777), (1767, 46128), (1922, 42408), (2232, 36518), (2356, 34596), (2736, 29791), (2883, 28272), (3534, 23064), (3844, 21204), (4464, 18259), (4712, 17298), (5301, 15376), (5766, 14136), (7068, 11532), (7688, 10602), (8649, 9424)]