91123240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 128

約数和(自身を含む): 243129600

約数和(自身を除く): 152006360

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 38, 40, 46, 52, 65, 76, 92, 95, 104, 115, 130, 152, 184, 190, 230, 247, 260, 299, 380, 401, 437, 460, 494, 520, 598, 760, 802, 874, 920, 988, 1196, 1235, 1495, 1604, 1748, 1976, 2005, 2185, 2392, 2470, 2990, 3208, 3496, 4010, 4370, 4940, 5213, 5681, 5980, 7619, 8020, 8740, 9223, 9880, 10426, 11362, 11960, 15238, 16040, 17480, 18446, 20852, 22724, 26065, 28405, 30476, 36892, 38095, 41704, 45448, 46115, 52130, 56810, 60952, 73784, 76190, 92230, 99047, 104260, 113620, 119899, 152380, 175237, 184460, 198094, 208520, 227240, 239798, 304760, 350474, 368920, 396188, 479596, 495235, 599495, 700948, 792376, 876185, 959192, 990470, 1198990, 1401896, 1752370, 1980940, 2278081, 2397980, 3504740, 3961880, 4556162, 4795960, 7009480, 9112324, 11390405, 18224648, 22780810, 45561620, 91123240]

約数ペア:

[(1, 91123240), (2, 45561620), (4, 22780810), (5, 18224648), (8, 11390405), (10, 9112324), (13, 7009480), (19, 4795960), (20, 4556162), (23, 3961880), (26, 3504740), (38, 2397980), (40, 2278081), (46, 1980940), (52, 1752370), (65, 1401896), (76, 1198990), (92, 990470), (95, 959192), (104, 876185), (115, 792376), (130, 700948), (152, 599495), (184, 495235), (190, 479596), (230, 396188), (247, 368920), (260, 350474), (299, 304760), (380, 239798), (401, 227240), (437, 208520), (460, 198094), (494, 184460), (520, 175237), (598, 152380), (760, 119899), (802, 113620), (874, 104260), (920, 99047), (988, 92230), (1196, 76190), (1235, 73784), (1495, 60952), (1604, 56810), (1748, 52130), (1976, 46115), (2005, 45448), (2185, 41704), (2392, 38095), (2470, 36892), (2990, 30476), (3208, 28405), (3496, 26065), (4010, 22724), (4370, 20852), (4940, 18446), (5213, 17480), (5681, 16040), (5980, 15238), (7619, 11960), (8020, 11362), (8740, 10426), (9223, 9880)]