280840500

素因数分解:

$2^2\times 3^3\times 5^3\times {\mathrm{71}}^1\times {\mathrm{293}}^1$

素因数の和:392

約数の個数: 192

約数和(自身を含む): 924618240

約数和(自身を除く): 643777740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 71, 75, 90, 100, 108, 125, 135, 142, 150, 180, 213, 225, 250, 270, 284, 293, 300, 355, 375, 426, 450, 500, 540, 586, 639, 675, 710, 750, 852, 879, 900, 1065, 1125, 1172, 1278, 1350, 1420, 1465, 1500, 1758, 1775, 1917, 2130, 2250, 2556, 2637, 2700, 2930, 3195, 3375, 3516, 3550, 3834, 4260, 4395, 4500, 5274, 5325, 5860, 6390, 6750, 7100, 7325, 7668, 7911, 8790, 8875, 9585, 10548, 10650, 12780, 13185, 13500, 14650, 15822, 15975, 17580, 17750, 19170, 20803, 21300, 21975, 26370, 26625, 29300, 31644, 31950, 35500, 36625, 38340, 39555, 41606, 43950, 47925, 52740, 53250, 62409, 63900, 65925, 73250, 79110, 79875, 83212, 87900, 95850, 104015, 106500, 109875, 124818, 131850, 146500, 158220, 159750, 187227, 191700, 197775, 208030, 219750, 239625, 249636, 263700, 312045, 319500, 329625, 374454, 395550, 416060, 439500, 479250, 520075, 561681, 624090, 659250, 748908, 791100, 936135, 958500, 988875, 1040150, 1123362, 1248180, 1318500, 1560225, 1872270, 1977750, 2080300, 2246724, 2600375, 2808405, 3120450, 3744540, 3955500, 4680675, 5200750, 5616810, 6240900, 7801125, 9361350, 10401500, 11233620, 14042025, 15602250, 18722700, 23403375, 28084050, 31204500, 46806750, 56168100, 70210125, 93613500, 140420250, 280840500]

約数ペア:

[(1, 280840500), (2, 140420250), (3, 93613500), (4, 70210125), (5, 56168100), (6, 46806750), (9, 31204500), (10, 28084050), (12, 23403375), (15, 18722700), (18, 15602250), (20, 14042025), (25, 11233620), (27, 10401500), (30, 9361350), (36, 7801125), (45, 6240900), (50, 5616810), (54, 5200750), (60, 4680675), (71, 3955500), (75, 3744540), (90, 3120450), (100, 2808405), (108, 2600375), (125, 2246724), (135, 2080300), (142, 1977750), (150, 1872270), (180, 1560225), (213, 1318500), (225, 1248180), (250, 1123362), (270, 1040150), (284, 988875), (293, 958500), (300, 936135), (355, 791100), (375, 748908), (426, 659250), (450, 624090), (500, 561681), (540, 520075), (586, 479250), (639, 439500), (675, 416060), (710, 395550), (750, 374454), (852, 329625), (879, 319500), (900, 312045), (1065, 263700), (1125, 249636), (1172, 239625), (1278, 219750), (1350, 208030), (1420, 197775), (1465, 191700), (1500, 187227), (1758, 159750), (1775, 158220), (1917, 146500), (2130, 131850), (2250, 124818), (2556, 109875), (2637, 106500), (2700, 104015), (2930, 95850), (3195, 87900), (3375, 83212), (3516, 79875), (3550, 79110), (3834, 73250), (4260, 65925), (4395, 63900), (4500, 62409), (5274, 53250), (5325, 52740), (5860, 47925), (6390, 43950), (6750, 41606), (7100, 39555), (7325, 38340), (7668, 36625), (7911, 35500), (8790, 31950), (8875, 31644), (9585, 29300), (10548, 26625), (10650, 26370), (12780, 21975), (13185, 21300), (13500, 20803), (14650, 19170), (15822, 17750), (15975, 17580)]