155973584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 348727680

約数和(自身を除く): 192754096

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 61, 76, 104, 122, 152, 208, 244, 247, 304, 488, 494, 647, 793, 976, 988, 1159, 1294, 1586, 1976, 2318, 2588, 3172, 3952, 4636, 5176, 6344, 8411, 9272, 10352, 12293, 12688, 15067, 16822, 18544, 24586, 30134, 33644, 39467, 49172, 60268, 67288, 78934, 98344, 120536, 134576, 157868, 159809, 196688, 241072, 315736, 319618, 513071, 631472, 639236, 749873, 1026142, 1278472, 1499746, 2052284, 2556944, 2999492, 4104568, 5998984, 8209136, 9748349, 11997968, 19496698, 38993396, 77986792, 155973584]

約数ペア:

[(1, 155973584), (2, 77986792), (4, 38993396), (8, 19496698), (13, 11997968), (16, 9748349), (19, 8209136), (26, 5998984), (38, 4104568), (52, 2999492), (61, 2556944), (76, 2052284), (104, 1499746), (122, 1278472), (152, 1026142), (208, 749873), (244, 639236), (247, 631472), (304, 513071), (488, 319618), (494, 315736), (647, 241072), (793, 196688), (976, 159809), (988, 157868), (1159, 134576), (1294, 120536), (1586, 98344), (1976, 78934), (2318, 67288), (2588, 60268), (3172, 49172), (3952, 39467), (4636, 33644), (5176, 30134), (6344, 24586), (8411, 18544), (9272, 16822), (10352, 15067), (12293, 12688)]