15657460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1229}}^1$

素因数の和:1265

約数の個数: 72

約数和(自身を含む): 41224680

約数和(自身を除く): 25567220

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 455, 490, 637, 910, 980, 1229, 1274, 1820, 2458, 2548, 3185, 4916, 6145, 6370, 8603, 12290, 12740, 15977, 17206, 24580, 31954, 34412, 43015, 60221, 63908, 79885, 86030, 111839, 120442, 159770, 172060, 223678, 240884, 301105, 319540, 447356, 559195, 602210, 782873, 1118390, 1204420, 1565746, 2236780, 3131492, 3914365, 7828730, 15657460]

約数ペア:

[(1, 15657460), (2, 7828730), (4, 3914365), (5, 3131492), (7, 2236780), (10, 1565746), (13, 1204420), (14, 1118390), (20, 782873), (26, 602210), (28, 559195), (35, 447356), (49, 319540), (52, 301105), (65, 240884), (70, 223678), (91, 172060), (98, 159770), (130, 120442), (140, 111839), (182, 86030), (196, 79885), (245, 63908), (260, 60221), (364, 43015), (455, 34412), (490, 31954), (637, 24580), (910, 17206), (980, 15977), (1229, 12740), (1274, 12290), (1820, 8603), (2458, 6370), (2548, 6145), (3185, 4916)]