81831230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 165473280

約数和(自身を除く): 83642050

約数列:

[1, 2, 5, 10, 13, 26, 47, 59, 65, 94, 118, 130, 227, 235, 295, 454, 470, 590, 611, 767, 1135, 1222, 1534, 2270, 2773, 2951, 3055, 3835, 5546, 5902, 6110, 7670, 10669, 13393, 13865, 14755, 21338, 26786, 27730, 29510, 36049, 53345, 66965, 72098, 106690, 133930, 138697, 174109, 180245, 277394, 348218, 360490, 629471, 693485, 870545, 1258942, 1386970, 1741090, 3147355, 6294710, 8183123, 16366246, 40915615, 81831230]

約数ペア:

[(1, 81831230), (2, 40915615), (5, 16366246), (10, 8183123), (13, 6294710), (26, 3147355), (47, 1741090), (59, 1386970), (65, 1258942), (94, 870545), (118, 693485), (130, 629471), (227, 360490), (235, 348218), (295, 277394), (454, 180245), (470, 174109), (590, 138697), (611, 133930), (767, 106690), (1135, 72098), (1222, 66965), (1534, 53345), (2270, 36049), (2773, 29510), (2951, 27730), (3055, 26786), (3835, 21338), (5546, 14755), (5902, 13865), (6110, 13393), (7670, 10669)]