80492100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20669

約数の個数: 72

約数和(自身を含む): 250817280

約数和(自身を除く): 170325180

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, 20639, 41278, 61917, 82556, 103195, 123834, 206390, 247668, 268307, 309585, 412780, 515975, 536614, 619170, 804921, 1031950, 1073228, 1238340, 1341535, 1547925, 1609842, 2063900, 2683070, 3095850, 3219684, 4024605, 5366140, 6191700, 6707675, 8049210, 13415350, 16098420, 20123025, 26830700, 40246050, 80492100]

約数ペア:

[(1, 80492100), (2, 40246050), (3, 26830700), (4, 20123025), (5, 16098420), (6, 13415350), (10, 8049210), (12, 6707675), (13, 6191700), (15, 5366140), (20, 4024605), (25, 3219684), (26, 3095850), (30, 2683070), (39, 2063900), (50, 1609842), (52, 1547925), (60, 1341535), (65, 1238340), (75, 1073228), (78, 1031950), (100, 804921), (130, 619170), (150, 536614), (156, 515975), (195, 412780), (260, 309585), (300, 268307), (325, 247668), (390, 206390), (650, 123834), (780, 103195), (975, 82556), (1300, 61917), (1950, 41278), (3900, 20639)]