78576400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{211}}^1$

素因数の和:262

約数の個数: 180

約数和(自身を含む): 232254480

約数和(自身を除く): 153678080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 49, 50, 56, 70, 76, 80, 95, 98, 100, 112, 133, 140, 152, 175, 190, 196, 200, 211, 245, 266, 280, 304, 350, 380, 392, 400, 422, 475, 490, 532, 560, 665, 700, 760, 784, 844, 931, 950, 980, 1055, 1064, 1225, 1330, 1400, 1477, 1520, 1688, 1862, 1900, 1960, 2110, 2128, 2450, 2660, 2800, 2954, 3325, 3376, 3724, 3800, 3920, 4009, 4220, 4655, 4900, 5275, 5320, 5908, 6650, 7385, 7448, 7600, 8018, 8440, 9310, 9800, 10339, 10550, 10640, 11816, 13300, 14770, 14896, 16036, 16880, 18620, 19600, 20045, 20678, 21100, 23275, 23632, 26600, 28063, 29540, 32072, 36925, 37240, 40090, 41356, 42200, 46550, 51695, 53200, 56126, 59080, 64144, 73850, 74480, 80180, 82712, 84400, 93100, 100225, 103390, 112252, 118160, 140315, 147700, 160360, 165424, 186200, 196441, 200450, 206780, 224504, 258475, 280630, 295400, 320720, 372400, 392882, 400900, 413560, 449008, 516950, 561260, 590800, 701575, 785764, 801800, 827120, 982205, 1033900, 1122520, 1403150, 1571528, 1603600, 1964410, 2067800, 2245040, 2806300, 3143056, 3928820, 4135600, 4911025, 5612600, 7857640, 9822050, 11225200, 15715280, 19644100, 39288200, 78576400]

約数ペア:

[(1, 78576400), (2, 39288200), (4, 19644100), (5, 15715280), (7, 11225200), (8, 9822050), (10, 7857640), (14, 5612600), (16, 4911025), (19, 4135600), (20, 3928820), (25, 3143056), (28, 2806300), (35, 2245040), (38, 2067800), (40, 1964410), (49, 1603600), (50, 1571528), (56, 1403150), (70, 1122520), (76, 1033900), (80, 982205), (95, 827120), (98, 801800), (100, 785764), (112, 701575), (133, 590800), (140, 561260), (152, 516950), (175, 449008), (190, 413560), (196, 400900), (200, 392882), (211, 372400), (245, 320720), (266, 295400), (280, 280630), (304, 258475), (350, 224504), (380, 206780), (392, 200450), (400, 196441), (422, 186200), (475, 165424), (490, 160360), (532, 147700), (560, 140315), (665, 118160), (700, 112252), (760, 103390), (784, 100225), (844, 93100), (931, 84400), (950, 82712), (980, 80180), (1055, 74480), (1064, 73850), (1225, 64144), (1330, 59080), (1400, 56126), (1477, 53200), (1520, 51695), (1688, 46550), (1862, 42200), (1900, 41356), (1960, 40090), (2110, 37240), (2128, 36925), (2450, 32072), (2660, 29540), (2800, 28063), (2954, 26600), (3325, 23632), (3376, 23275), (3724, 21100), (3800, 20678), (3920, 20045), (4009, 19600), (4220, 18620), (4655, 16880), (4900, 16036), (5275, 14896), (5320, 14770), (5908, 13300), (6650, 11816), (7385, 10640), (7448, 10550), (7600, 10339), (8018, 9800), (8440, 9310)]