142720500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{563}}^1$

素因数の和:611

約数の個数: 144

約数和(自身を含む): 450830016

約数和(自身を除く): 308109516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 169, 195, 250, 260, 300, 325, 338, 375, 390, 500, 507, 563, 650, 676, 750, 780, 845, 975, 1014, 1126, 1300, 1500, 1625, 1689, 1690, 1950, 2028, 2252, 2535, 2815, 3250, 3378, 3380, 3900, 4225, 4875, 5070, 5630, 6500, 6756, 7319, 8445, 8450, 9750, 10140, 11260, 12675, 14075, 14638, 16890, 16900, 19500, 21125, 21957, 25350, 28150, 29276, 33780, 36595, 42225, 42250, 43914, 50700, 56300, 63375, 70375, 73190, 84450, 84500, 87828, 95147, 109785, 126750, 140750, 146380, 168900, 182975, 190294, 211125, 219570, 253500, 281500, 285441, 365950, 380588, 422250, 439140, 475735, 548925, 570882, 731900, 844500, 914875, 951470, 1097850, 1141764, 1427205, 1829750, 1902940, 2195700, 2378675, 2744625, 2854410, 3659500, 4757350, 5489250, 5708820, 7136025, 9514700, 10978500, 11893375, 14272050, 23786750, 28544100, 35680125, 47573500, 71360250, 142720500]

約数ペア:

[(1, 142720500), (2, 71360250), (3, 47573500), (4, 35680125), (5, 28544100), (6, 23786750), (10, 14272050), (12, 11893375), (13, 10978500), (15, 9514700), (20, 7136025), (25, 5708820), (26, 5489250), (30, 4757350), (39, 3659500), (50, 2854410), (52, 2744625), (60, 2378675), (65, 2195700), (75, 1902940), (78, 1829750), (100, 1427205), (125, 1141764), (130, 1097850), (150, 951470), (156, 914875), (169, 844500), (195, 731900), (250, 570882), (260, 548925), (300, 475735), (325, 439140), (338, 422250), (375, 380588), (390, 365950), (500, 285441), (507, 281500), (563, 253500), (650, 219570), (676, 211125), (750, 190294), (780, 182975), (845, 168900), (975, 146380), (1014, 140750), (1126, 126750), (1300, 109785), (1500, 95147), (1625, 87828), (1689, 84500), (1690, 84450), (1950, 73190), (2028, 70375), (2252, 63375), (2535, 56300), (2815, 50700), (3250, 43914), (3378, 42250), (3380, 42225), (3900, 36595), (4225, 33780), (4875, 29276), (5070, 28150), (5630, 25350), (6500, 21957), (6756, 21125), (7319, 19500), (8445, 16900), (8450, 16890), (9750, 14638), (10140, 14075), (11260, 12675)]