653640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 2116800

約数和(自身を除く): 1463160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 419, 520, 780, 838, 1257, 1560, 1676, 2095, 2514, 3352, 4190, 5028, 5447, 6285, 8380, 10056, 10894, 12570, 16341, 16760, 21788, 25140, 27235, 32682, 43576, 50280, 54470, 65364, 81705, 108940, 130728, 163410, 217880, 326820, 653640]

約数ペア:

[(1, 653640), (2, 326820), (3, 217880), (4, 163410), (5, 130728), (6, 108940), (8, 81705), (10, 65364), (12, 54470), (13, 50280), (15, 43576), (20, 32682), (24, 27235), (26, 25140), (30, 21788), (39, 16760), (40, 16341), (52, 12570), (60, 10894), (65, 10056), (78, 8380), (104, 6285), (120, 5447), (130, 5028), (156, 4190), (195, 3352), (260, 2514), (312, 2095), (390, 1676), (419, 1560), (520, 1257), (780, 838)]