80382900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20611}}^1$

素因数の和:20641

約数の個数: 72

約数和(自身を含む): 250477024

約数和(自身を除く): 170094124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 195, 260, 300, 325, 390, 650, 780, 975, 1300, 1950, 3900, 20611, 41222, 61833, 82444, 103055, 123666, 206110, 247332, 267943, 309165, 412220, 515275, 535886, 618330, 803829, 1030550, 1071772, 1236660, 1339715, 1545825, 1607658, 2061100, 2679430, 3091650, 3215316, 4019145, 5358860, 6183300, 6698575, 8038290, 13397150, 16076580, 20095725, 26794300, 40191450, 80382900]

約数ペア:

[(1, 80382900), (2, 40191450), (3, 26794300), (4, 20095725), (5, 16076580), (6, 13397150), (10, 8038290), (12, 6698575), (13, 6183300), (15, 5358860), (20, 4019145), (25, 3215316), (26, 3091650), (30, 2679430), (39, 2061100), (50, 1607658), (52, 1545825), (60, 1339715), (65, 1236660), (75, 1071772), (78, 1030550), (100, 803829), (130, 618330), (150, 535886), (156, 515275), (195, 412220), (260, 309165), (300, 267943), (325, 247332), (390, 206110), (650, 123666), (780, 103055), (975, 82444), (1300, 61833), (1950, 41222), (3900, 20611)]