30128528

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 80

約数和(自身を含む): 66662400

約数和(自身を除く): 36533872

約数列:

[1, 2, 4, 8, 16, 19, 23, 31, 38, 46, 62, 76, 92, 124, 139, 152, 184, 248, 278, 304, 368, 437, 496, 556, 589, 713, 874, 1112, 1178, 1426, 1748, 2224, 2356, 2641, 2852, 3197, 3496, 4309, 4712, 5282, 5704, 6394, 6992, 8618, 9424, 10564, 11408, 12788, 13547, 17236, 21128, 25576, 27094, 34472, 42256, 51152, 54188, 60743, 68944, 81871, 99107, 108376, 121486, 163742, 198214, 216752, 242972, 327484, 396428, 485944, 654968, 792856, 971888, 1309936, 1585712, 1883033, 3766066, 7532132, 15064264, 30128528]

約数ペア:

[(1, 30128528), (2, 15064264), (4, 7532132), (8, 3766066), (16, 1883033), (19, 1585712), (23, 1309936), (31, 971888), (38, 792856), (46, 654968), (62, 485944), (76, 396428), (92, 327484), (124, 242972), (139, 216752), (152, 198214), (184, 163742), (248, 121486), (278, 108376), (304, 99107), (368, 81871), (437, 68944), (496, 60743), (556, 54188), (589, 51152), (713, 42256), (874, 34472), (1112, 27094), (1178, 25576), (1426, 21128), (1748, 17236), (2224, 13547), (2356, 12788), (2641, 11408), (2852, 10564), (3197, 9424), (3496, 8618), (4309, 6992), (4712, 6394), (5282, 5704)]