89917120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1$

素因数の和:702

約数の個数: 112

約数和(自身を含む): 235549440

約数和(自身を除く): 145632320

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 608, 643, 736, 760, 874, 920, 1216, 1286, 1472, 1520, 1748, 1840, 2185, 2572, 3040, 3215, 3496, 3680, 4370, 5144, 6080, 6430, 6992, 7360, 8740, 10288, 12217, 12860, 13984, 14789, 17480, 20576, 24434, 25720, 27968, 29578, 34960, 41152, 48868, 51440, 59156, 61085, 69920, 73945, 97736, 102880, 118312, 122170, 139840, 147890, 195472, 205760, 236624, 244340, 280991, 295780, 390944, 473248, 488680, 561982, 591560, 781888, 946496, 977360, 1123964, 1183120, 1404955, 1954720, 2247928, 2366240, 2809910, 3909440, 4495856, 4732480, 5619820, 8991712, 11239640, 17983424, 22479280, 44958560, 89917120]

約数ペア:

[(1, 89917120), (2, 44958560), (4, 22479280), (5, 17983424), (8, 11239640), (10, 8991712), (16, 5619820), (19, 4732480), (20, 4495856), (23, 3909440), (32, 2809910), (38, 2366240), (40, 2247928), (46, 1954720), (64, 1404955), (76, 1183120), (80, 1123964), (92, 977360), (95, 946496), (115, 781888), (152, 591560), (160, 561982), (184, 488680), (190, 473248), (230, 390944), (304, 295780), (320, 280991), (368, 244340), (380, 236624), (437, 205760), (460, 195472), (608, 147890), (643, 139840), (736, 122170), (760, 118312), (874, 102880), (920, 97736), (1216, 73945), (1286, 69920), (1472, 61085), (1520, 59156), (1748, 51440), (1840, 48868), (2185, 41152), (2572, 34960), (3040, 29578), (3215, 27968), (3496, 25720), (3680, 24434), (4370, 20576), (5144, 17480), (6080, 14789), (6430, 13984), (6992, 12860), (7360, 12217), (8740, 10288)]