804919440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257987}}^1$

素因数の和:258016

約数の個数: 80

約数和(自身を含む): 2687203008

約数和(自身を除く): 1882283568

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, 257987, 515974, 773961, 1031948, 1289935, 1547922, 2063896, 2579870, 3095844, 3353831, 3869805, 4127792, 5159740, 6191688, 6707662, 7739610, 10061493, 10319480, 12383376, 13415324, 15479220, 16769155, 20122986, 20638960, 26830648, 30958440, 33538310, 40245972, 50307465, 53661296, 61916880, 67076620, 80491944, 100614930, 134153240, 160983888, 201229860, 268306480, 402459720, 804919440]

約数ペア:

[(1, 804919440), (2, 402459720), (3, 268306480), (4, 201229860), (5, 160983888), (6, 134153240), (8, 100614930), (10, 80491944), (12, 67076620), (13, 61916880), (15, 53661296), (16, 50307465), (20, 40245972), (24, 33538310), (26, 30958440), (30, 26830648), (39, 20638960), (40, 20122986), (48, 16769155), (52, 15479220), (60, 13415324), (65, 12383376), (78, 10319480), (80, 10061493), (104, 7739610), (120, 6707662), (130, 6191688), (156, 5159740), (195, 4127792), (208, 3869805), (240, 3353831), (260, 3095844), (312, 2579870), (390, 2063896), (520, 1547922), (624, 1289935), (780, 1031948), (1040, 773961), (1560, 515974), (3120, 257987)]