80889900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2963}}^1$

素因数の和:3000

約数の個数: 144

約数和(自身を含む): 288148224

約数和(自身を除く): 207258324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 84, 91, 100, 105, 130, 140, 150, 156, 175, 182, 195, 210, 260, 273, 300, 325, 350, 364, 390, 420, 455, 525, 546, 650, 700, 780, 910, 975, 1050, 1092, 1300, 1365, 1820, 1950, 2100, 2275, 2730, 2963, 3900, 4550, 5460, 5926, 6825, 8889, 9100, 11852, 13650, 14815, 17778, 20741, 27300, 29630, 35556, 38519, 41482, 44445, 59260, 62223, 74075, 77038, 82964, 88890, 103705, 115557, 124446, 148150, 154076, 177780, 192595, 207410, 222225, 231114, 248892, 269633, 296300, 311115, 385190, 414820, 444450, 462228, 518525, 539266, 577785, 622230, 770380, 808899, 888900, 962975, 1037050, 1078532, 1155570, 1244460, 1348165, 1555575, 1617798, 1925950, 2074100, 2311140, 2696330, 2888925, 3111150, 3235596, 3851900, 4044495, 5392660, 5777850, 6222300, 6740825, 8088990, 11555700, 13481650, 16177980, 20222475, 26963300, 40444950, 80889900]

約数ペア:

[(1, 80889900), (2, 40444950), (3, 26963300), (4, 20222475), (5, 16177980), (6, 13481650), (7, 11555700), (10, 8088990), (12, 6740825), (13, 6222300), (14, 5777850), (15, 5392660), (20, 4044495), (21, 3851900), (25, 3235596), (26, 3111150), (28, 2888925), (30, 2696330), (35, 2311140), (39, 2074100), (42, 1925950), (50, 1617798), (52, 1555575), (60, 1348165), (65, 1244460), (70, 1155570), (75, 1078532), (78, 1037050), (84, 962975), (91, 888900), (100, 808899), (105, 770380), (130, 622230), (140, 577785), (150, 539266), (156, 518525), (175, 462228), (182, 444450), (195, 414820), (210, 385190), (260, 311115), (273, 296300), (300, 269633), (325, 248892), (350, 231114), (364, 222225), (390, 207410), (420, 192595), (455, 177780), (525, 154076), (546, 148150), (650, 124446), (700, 115557), (780, 103705), (910, 88890), (975, 82964), (1050, 77038), (1092, 74075), (1300, 62223), (1365, 59260), (1820, 44445), (1950, 41482), (2100, 38519), (2275, 35556), (2730, 29630), (2963, 27300), (3900, 20741), (4550, 17778), (5460, 14815), (5926, 13650), (6825, 11852), (8889, 9100)]