804900720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257981}}^1$

素因数の和:258010

約数の個数: 80

約数和(自身を含む): 2687140512

約数和(自身を除く): 1882239792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 257981, 515962, 773943, 1031924, 1289905, 1547886, 2063848, 2579810, 3095772, 3353753, 3869715, 4127696, 5159620, 6191544, 6707506, 7739430, 10061259, 10319240, 12383088, 13415012, 15478860, 16768765, 20122518, 20638480, 26830024, 30957720, 33537530, 40245036, 50306295, 53660048, 61915440, 67075060, 80490072, 100612590, 134150120, 160980144, 201225180, 268300240, 402450360, 804900720]

約数ペア:

[(1, 804900720), (2, 402450360), (3, 268300240), (4, 201225180), (5, 160980144), (6, 134150120), (8, 100612590), (10, 80490072), (12, 67075060), (13, 61915440), (15, 53660048), (16, 50306295), (20, 40245036), (24, 33537530), (26, 30957720), (30, 26830024), (39, 20638480), (40, 20122518), (48, 16768765), (52, 15478860), (60, 13415012), (65, 12383088), (78, 10319240), (80, 10061259), (104, 7739430), (120, 6707506), (130, 6191544), (156, 5159620), (195, 4127696), (208, 3869715), (240, 3353753), (260, 3095772), (312, 2579810), (390, 2063848), (520, 1547886), (624, 1289905), (780, 1031924), (1040, 773943), (1560, 515962), (3120, 257981)]