1256452425

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{313}}^2$

素因数の和:664

約数の個数: 72

約数和(自身を含む): 2437418400

約数和(自身を除く): 1180965975

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 95, 135, 171, 225, 285, 313, 475, 513, 675, 855, 939, 1425, 1565, 2565, 2817, 4275, 4695, 5947, 7825, 8451, 12825, 14085, 17841, 23475, 29735, 42255, 53523, 70425, 89205, 97969, 148675, 160569, 211275, 267615, 293907, 446025, 489845, 802845, 881721, 1338075, 1469535, 1861411, 2449225, 2645163, 4014225, 4408605, 5584233, 7347675, 9307055, 13225815, 16752699, 22043025, 27921165, 46535275, 50258097, 66129075, 83763495, 139605825, 251290485, 418817475, 1256452425]

約数ペア:

[(1, 1256452425), (3, 418817475), (5, 251290485), (9, 139605825), (15, 83763495), (19, 66129075), (25, 50258097), (27, 46535275), (45, 27921165), (57, 22043025), (75, 16752699), (95, 13225815), (135, 9307055), (171, 7347675), (225, 5584233), (285, 4408605), (313, 4014225), (475, 2645163), (513, 2449225), (675, 1861411), (855, 1469535), (939, 1338075), (1425, 881721), (1565, 802845), (2565, 489845), (2817, 446025), (4275, 293907), (4695, 267615), (5947, 211275), (7825, 160569), (8451, 148675), (12825, 97969), (14085, 89205), (17841, 70425), (23475, 53523), (29735, 42255)]