80428500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:379

約数の個数: 144

約数和(自身を含む): 258764688

約数和(自身を除く): 178336188

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 61, 75, 90, 100, 122, 125, 150, 180, 183, 225, 244, 250, 293, 300, 305, 366, 375, 450, 500, 549, 586, 610, 732, 750, 879, 900, 915, 1098, 1125, 1172, 1220, 1465, 1500, 1525, 1758, 1830, 2196, 2250, 2637, 2745, 2930, 3050, 3516, 3660, 4395, 4500, 4575, 5274, 5490, 5860, 6100, 7325, 7625, 8790, 9150, 10548, 10980, 13185, 13725, 14650, 15250, 17580, 17873, 18300, 21975, 22875, 26370, 27450, 29300, 30500, 35746, 36625, 43950, 45750, 52740, 53619, 54900, 65925, 68625, 71492, 73250, 87900, 89365, 91500, 107238, 109875, 131850, 137250, 146500, 160857, 178730, 214476, 219750, 263700, 268095, 274500, 321714, 329625, 357460, 439500, 446825, 536190, 643428, 659250, 804285, 893650, 1072380, 1318500, 1340475, 1608570, 1787300, 2234125, 2680950, 3217140, 4021425, 4468250, 5361900, 6702375, 8042850, 8936500, 13404750, 16085700, 20107125, 26809500, 40214250, 80428500]

約数ペア:

[(1, 80428500), (2, 40214250), (3, 26809500), (4, 20107125), (5, 16085700), (6, 13404750), (9, 8936500), (10, 8042850), (12, 6702375), (15, 5361900), (18, 4468250), (20, 4021425), (25, 3217140), (30, 2680950), (36, 2234125), (45, 1787300), (50, 1608570), (60, 1340475), (61, 1318500), (75, 1072380), (90, 893650), (100, 804285), (122, 659250), (125, 643428), (150, 536190), (180, 446825), (183, 439500), (225, 357460), (244, 329625), (250, 321714), (293, 274500), (300, 268095), (305, 263700), (366, 219750), (375, 214476), (450, 178730), (500, 160857), (549, 146500), (586, 137250), (610, 131850), (732, 109875), (750, 107238), (879, 91500), (900, 89365), (915, 87900), (1098, 73250), (1125, 71492), (1172, 68625), (1220, 65925), (1465, 54900), (1500, 53619), (1525, 52740), (1758, 45750), (1830, 43950), (2196, 36625), (2250, 35746), (2637, 30500), (2745, 29300), (2930, 27450), (3050, 26370), (3516, 22875), (3660, 21975), (4395, 18300), (4500, 17873), (4575, 17580), (5274, 15250), (5490, 14650), (5860, 13725), (6100, 13185), (7325, 10980), (7625, 10548), (8790, 9150)]