1320931456

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{5711}}^1$

素因数の和:5877

約数の個数: 64

約数和(自身を含む): 2854857600

約数和(自身を除く): 1533926144

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 139, 208, 278, 416, 556, 832, 1112, 1664, 1807, 2224, 3614, 4448, 5711, 7228, 8896, 11422, 14456, 17792, 22844, 28912, 45688, 57824, 74243, 91376, 115648, 148486, 182752, 231296, 296972, 365504, 593944, 731008, 793829, 1187888, 1587658, 2375776, 3175316, 4751552, 6350632, 9503104, 10319777, 12701264, 20639554, 25402528, 41279108, 50805056, 82558216, 101610112, 165116432, 330232864, 660465728, 1320931456]

約数ペア:

[(1, 1320931456), (2, 660465728), (4, 330232864), (8, 165116432), (13, 101610112), (16, 82558216), (26, 50805056), (32, 41279108), (52, 25402528), (64, 20639554), (104, 12701264), (128, 10319777), (139, 9503104), (208, 6350632), (278, 4751552), (416, 3175316), (556, 2375776), (832, 1587658), (1112, 1187888), (1664, 793829), (1807, 731008), (2224, 593944), (3614, 365504), (4448, 296972), (5711, 231296), (7228, 182752), (8896, 148486), (11422, 115648), (14456, 91376), (17792, 74243), (22844, 57824), (28912, 45688)]