81060080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3137}}^1$

素因数の和:3186

約数の個数: 80

約数和(自身を含む): 210120480

約数和(自身を除く): 129060400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 34, 38, 40, 68, 76, 80, 85, 95, 136, 152, 170, 190, 272, 304, 323, 340, 380, 646, 680, 760, 1292, 1360, 1520, 1615, 2584, 3137, 3230, 5168, 6274, 6460, 12548, 12920, 15685, 25096, 25840, 31370, 50192, 53329, 59603, 62740, 106658, 119206, 125480, 213316, 238412, 250960, 266645, 298015, 426632, 476824, 533290, 596030, 853264, 953648, 1013251, 1066580, 1192060, 2026502, 2133160, 2384120, 4053004, 4266320, 4768240, 5066255, 8106008, 10132510, 16212016, 20265020, 40530040, 81060080]

約数ペア:

[(1, 81060080), (2, 40530040), (4, 20265020), (5, 16212016), (8, 10132510), (10, 8106008), (16, 5066255), (17, 4768240), (19, 4266320), (20, 4053004), (34, 2384120), (38, 2133160), (40, 2026502), (68, 1192060), (76, 1066580), (80, 1013251), (85, 953648), (95, 853264), (136, 596030), (152, 533290), (170, 476824), (190, 426632), (272, 298015), (304, 266645), (323, 250960), (340, 238412), (380, 213316), (646, 125480), (680, 119206), (760, 106658), (1292, 62740), (1360, 59603), (1520, 53329), (1615, 50192), (2584, 31370), (3137, 25840), (3230, 25096), (5168, 15685), (6274, 12920), (6460, 12548)]