1601820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1$

素因数の和:835

約数の個数: 72

約数和(自身を含む): 5307120

約数和(自身を除く): 3705300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 809, 990, 1618, 1980, 2427, 3236, 4045, 4854, 7281, 8090, 8899, 9708, 12135, 14562, 16180, 17798, 24270, 26697, 29124, 35596, 36405, 44495, 48540, 53394, 72810, 80091, 88990, 106788, 133485, 145620, 160182, 177980, 266970, 320364, 400455, 533940, 800910, 1601820]

約数ペア:

[(1, 1601820), (2, 800910), (3, 533940), (4, 400455), (5, 320364), (6, 266970), (9, 177980), (10, 160182), (11, 145620), (12, 133485), (15, 106788), (18, 88990), (20, 80091), (22, 72810), (30, 53394), (33, 48540), (36, 44495), (44, 36405), (45, 35596), (55, 29124), (60, 26697), (66, 24270), (90, 17798), (99, 16180), (110, 14562), (132, 12135), (165, 9708), (180, 8899), (198, 8090), (220, 7281), (330, 4854), (396, 4045), (495, 3236), (660, 2427), (809, 1980), (990, 1618)]