78304980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{100391}}^1$

素因数の和:100416

約数の個数: 48

約数和(自身を含む): 236121984

約数和(自身を除く): 157817004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 100391, 200782, 301173, 401564, 501955, 602346, 1003910, 1204692, 1305083, 1505865, 2007820, 2610166, 3011730, 3915249, 5220332, 6023460, 6525415, 7830498, 13050830, 15660996, 19576245, 26101660, 39152490, 78304980]

約数ペア:

[(1, 78304980), (2, 39152490), (3, 26101660), (4, 19576245), (5, 15660996), (6, 13050830), (10, 7830498), (12, 6525415), (13, 6023460), (15, 5220332), (20, 3915249), (26, 3011730), (30, 2610166), (39, 2007820), (52, 1505865), (60, 1305083), (65, 1204692), (78, 1003910), (130, 602346), (156, 501955), (195, 401564), (260, 301173), (390, 200782), (780, 100391)]