81246360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52081}}^1$

素因数の和:52108

約数の個数: 64

約数和(自身を含む): 262493280

約数和(自身を除く): 181246920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 52081, 104162, 156243, 208324, 260405, 312486, 416648, 520810, 624972, 677053, 781215, 1041620, 1249944, 1354106, 1562430, 2031159, 2083240, 2708212, 3124860, 3385265, 4062318, 5416424, 6249720, 6770530, 8124636, 10155795, 13541060, 16249272, 20311590, 27082120, 40623180, 81246360]

約数ペア:

[(1, 81246360), (2, 40623180), (3, 27082120), (4, 20311590), (5, 16249272), (6, 13541060), (8, 10155795), (10, 8124636), (12, 6770530), (13, 6249720), (15, 5416424), (20, 4062318), (24, 3385265), (26, 3124860), (30, 2708212), (39, 2083240), (40, 2031159), (52, 1562430), (60, 1354106), (65, 1249944), (78, 1041620), (104, 781215), (120, 677053), (130, 624972), (156, 520810), (195, 416648), (260, 312486), (312, 260405), (390, 208324), (520, 156243), (780, 104162), (1560, 52081)]