28305356520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{33696853}}^1$

素因数の和:33696874

約数の個数: 64

約数和(自身を含む): 97046939520

約数和(自身を除く): 68741583000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 33696853, 67393706, 101090559, 134787412, 168484265, 202181118, 235877971, 269574824, 336968530, 404362236, 471755942, 505452795, 673937060, 707633913, 808724472, 943511884, 1010905590, 1179389855, 1347874120, 1415267826, 1887023768, 2021811180, 2358779710, 2830535652, 3538169565, 4043622360, 4717559420, 5661071304, 7076339130, 9435118840, 14152678260, 28305356520]

約数ペア:

[(1, 28305356520), (2, 14152678260), (3, 9435118840), (4, 7076339130), (5, 5661071304), (6, 4717559420), (7, 4043622360), (8, 3538169565), (10, 2830535652), (12, 2358779710), (14, 2021811180), (15, 1887023768), (20, 1415267826), (21, 1347874120), (24, 1179389855), (28, 1010905590), (30, 943511884), (35, 808724472), (40, 707633913), (42, 673937060), (56, 505452795), (60, 471755942), (70, 404362236), (84, 336968530), (105, 269574824), (120, 235877971), (140, 202181118), (168, 168484265), (210, 134787412), (280, 101090559), (420, 67393706), (840, 33696853)]