8151780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1$

素因数の和:1525

約数の個数: 96

約数和(自身を含む): 28111104

約数和(自身を除く): 19959324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1493, 1820, 2730, 2986, 4479, 5460, 5972, 7465, 8958, 10451, 14930, 17916, 19409, 20902, 22395, 29860, 31353, 38818, 41804, 44790, 52255, 58227, 62706, 77636, 89580, 97045, 104510, 116454, 125412, 135863, 156765, 194090, 209020, 232908, 271726, 291135, 313530, 388180, 407589, 543452, 582270, 627060, 679315, 815178, 1164540, 1358630, 1630356, 2037945, 2717260, 4075890, 8151780]

約数ペア:

[(1, 8151780), (2, 4075890), (3, 2717260), (4, 2037945), (5, 1630356), (6, 1358630), (7, 1164540), (10, 815178), (12, 679315), (13, 627060), (14, 582270), (15, 543452), (20, 407589), (21, 388180), (26, 313530), (28, 291135), (30, 271726), (35, 232908), (39, 209020), (42, 194090), (52, 156765), (60, 135863), (65, 125412), (70, 116454), (78, 104510), (84, 97045), (91, 89580), (105, 77636), (130, 62706), (140, 58227), (156, 52255), (182, 44790), (195, 41804), (210, 38818), (260, 31353), (273, 29860), (364, 22395), (390, 20902), (420, 19409), (455, 17916), (546, 14930), (780, 10451), (910, 8958), (1092, 7465), (1365, 5972), (1493, 5460), (1820, 4479), (2730, 2986)]