1628679975

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^2$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 2954029680

約数和(自身を除く): 1325349705

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 89, 137, 195, 267, 325, 411, 445, 685, 975, 1157, 1335, 1781, 2055, 2225, 3425, 3471, 5343, 5785, 6675, 8905, 10275, 12193, 17355, 18769, 26715, 28925, 36579, 44525, 56307, 60965, 86775, 93845, 133575, 158509, 182895, 243997, 281535, 304825, 469225, 475527, 731991, 792545, 914475, 1219985, 1407675, 1670441, 2377635, 3659955, 3962725, 5011323, 6099925, 8352205, 11888175, 18299775, 21715733, 25056615, 41761025, 65147199, 108578665, 125283075, 325735995, 542893325, 1628679975]

約数ペア:

[(1, 1628679975), (3, 542893325), (5, 325735995), (13, 125283075), (15, 108578665), (25, 65147199), (39, 41761025), (65, 25056615), (75, 21715733), (89, 18299775), (137, 11888175), (195, 8352205), (267, 6099925), (325, 5011323), (411, 3962725), (445, 3659955), (685, 2377635), (975, 1670441), (1157, 1407675), (1335, 1219985), (1781, 914475), (2055, 792545), (2225, 731991), (3425, 475527), (3471, 469225), (5343, 304825), (5785, 281535), (6675, 243997), (8905, 182895), (10275, 158509), (12193, 133575), (17355, 93845), (18769, 86775), (26715, 60965), (28925, 56307), (36579, 44525)]