90162880

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:258

約数の個数: 112

約数和(自身を含む): 226771200

約数和(自身を除く): 136608320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 64, 80, 122, 124, 149, 155, 160, 244, 248, 298, 305, 310, 320, 488, 496, 596, 610, 620, 745, 976, 992, 1192, 1220, 1240, 1490, 1891, 1952, 1984, 2384, 2440, 2480, 2980, 3782, 3904, 4619, 4768, 4880, 4960, 5960, 7564, 9089, 9238, 9455, 9536, 9760, 9920, 11920, 15128, 18178, 18476, 18910, 19520, 23095, 23840, 30256, 36356, 36952, 37820, 45445, 46190, 47680, 60512, 72712, 73904, 75640, 90890, 92380, 121024, 145424, 147808, 151280, 181780, 184760, 281759, 290848, 295616, 302560, 363560, 369520, 563518, 581696, 605120, 727120, 739040, 1127036, 1408795, 1454240, 1478080, 2254072, 2817590, 2908480, 4508144, 5635180, 9016288, 11270360, 18032576, 22540720, 45081440, 90162880]

約数ペア:

[(1, 90162880), (2, 45081440), (4, 22540720), (5, 18032576), (8, 11270360), (10, 9016288), (16, 5635180), (20, 4508144), (31, 2908480), (32, 2817590), (40, 2254072), (61, 1478080), (62, 1454240), (64, 1408795), (80, 1127036), (122, 739040), (124, 727120), (149, 605120), (155, 581696), (160, 563518), (244, 369520), (248, 363560), (298, 302560), (305, 295616), (310, 290848), (320, 281759), (488, 184760), (496, 181780), (596, 151280), (610, 147808), (620, 145424), (745, 121024), (976, 92380), (992, 90890), (1192, 75640), (1220, 73904), (1240, 72712), (1490, 60512), (1891, 47680), (1952, 46190), (1984, 45445), (2384, 37820), (2440, 36952), (2480, 36356), (2980, 30256), (3782, 23840), (3904, 23095), (4619, 19520), (4768, 18910), (4880, 18476), (4960, 18178), (5960, 15128), (7564, 11920), (9089, 9920), (9238, 9760), (9455, 9536)]