31679280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1913}}^1$

素因数の和:1955

約数の個数: 120

約数和(自身を含む): 111073248

約数和(自身を除く): 79393968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 1913, 2070, 2760, 3312, 3826, 4140, 5520, 5739, 7652, 8280, 9565, 11478, 15304, 16560, 17217, 19130, 22956, 28695, 30608, 34434, 38260, 43999, 45912, 57390, 68868, 76520, 86085, 87998, 91824, 114780, 131997, 137736, 153040, 172170, 175996, 219995, 229560, 263994, 275472, 344340, 351992, 395991, 439990, 459120, 527988, 659985, 688680, 703984, 791982, 879980, 1055976, 1319970, 1377360, 1583964, 1759960, 1979955, 2111952, 2639940, 3167928, 3519920, 3959910, 5279880, 6335856, 7919820, 10559760, 15839640, 31679280]

約数ペア:

[(1, 31679280), (2, 15839640), (3, 10559760), (4, 7919820), (5, 6335856), (6, 5279880), (8, 3959910), (9, 3519920), (10, 3167928), (12, 2639940), (15, 2111952), (16, 1979955), (18, 1759960), (20, 1583964), (23, 1377360), (24, 1319970), (30, 1055976), (36, 879980), (40, 791982), (45, 703984), (46, 688680), (48, 659985), (60, 527988), (69, 459120), (72, 439990), (80, 395991), (90, 351992), (92, 344340), (115, 275472), (120, 263994), (138, 229560), (144, 219995), (180, 175996), (184, 172170), (207, 153040), (230, 137736), (240, 131997), (276, 114780), (345, 91824), (360, 87998), (368, 86085), (414, 76520), (460, 68868), (552, 57390), (690, 45912), (720, 43999), (828, 38260), (920, 34434), (1035, 30608), (1104, 28695), (1380, 22956), (1656, 19130), (1840, 17217), (1913, 16560), (2070, 15304), (2760, 11478), (3312, 9565), (3826, 8280), (4140, 7652), (5520, 5739)]