161608980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{207191}}^1$

素因数の和:207216

約数の個数: 48

約数和(自身を含む): 487315584

約数和(自身を除く): 325706604

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, 207191, 414382, 621573, 828764, 1035955, 1243146, 2071910, 2486292, 2693483, 3107865, 4143820, 5386966, 6215730, 8080449, 10773932, 12431460, 13467415, 16160898, 26934830, 32321796, 40402245, 53869660, 80804490, 161608980]

約数ペア:

[(1, 161608980), (2, 80804490), (3, 53869660), (4, 40402245), (5, 32321796), (6, 26934830), (10, 16160898), (12, 13467415), (13, 12431460), (15, 10773932), (20, 8080449), (26, 6215730), (30, 5386966), (39, 4143820), (52, 3107865), (60, 2693483), (65, 2486292), (78, 2071910), (130, 1243146), (156, 1035955), (195, 828764), (260, 621573), (390, 414382), (780, 207191)]