120689920

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7253}}^1$

素因数の和:7287

約数の個数: 72

約数和(自身を含む): 311370696

約数和(自身を除く): 190680776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 520, 640, 832, 1040, 1280, 1664, 2080, 3328, 4160, 7253, 8320, 14506, 16640, 29012, 36265, 58024, 72530, 94289, 116048, 145060, 188578, 232096, 290120, 377156, 464192, 471445, 580240, 754312, 928384, 942890, 1160480, 1508624, 1856768, 1885780, 2320960, 3017248, 3771560, 4641920, 6034496, 7543120, 9283840, 12068992, 15086240, 24137984, 30172480, 60344960, 120689920]

約数ペア:

[(1, 120689920), (2, 60344960), (4, 30172480), (5, 24137984), (8, 15086240), (10, 12068992), (13, 9283840), (16, 7543120), (20, 6034496), (26, 4641920), (32, 3771560), (40, 3017248), (52, 2320960), (64, 1885780), (65, 1856768), (80, 1508624), (104, 1160480), (128, 942890), (130, 928384), (160, 754312), (208, 580240), (256, 471445), (260, 464192), (320, 377156), (416, 290120), (520, 232096), (640, 188578), (832, 145060), (1040, 116048), (1280, 94289), (1664, 72530), (2080, 58024), (3328, 36265), (4160, 29012), (7253, 16640), (8320, 14506)]