1638450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:360

約数の個数: 72

約数和(自身を含む): 4816656

約数和(自身を除く): 3178206

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 25, 30, 33, 45, 50, 55, 66, 75, 90, 99, 110, 150, 165, 198, 225, 275, 330, 331, 450, 495, 550, 662, 825, 990, 993, 1650, 1655, 1986, 2475, 2979, 3310, 3641, 4950, 4965, 5958, 7282, 8275, 9930, 10923, 14895, 16550, 18205, 21846, 24825, 29790, 32769, 36410, 49650, 54615, 65538, 74475, 91025, 109230, 148950, 163845, 182050, 273075, 327690, 546150, 819225, 1638450]

約数ペア:

[(1, 1638450), (2, 819225), (3, 546150), (5, 327690), (6, 273075), (9, 182050), (10, 163845), (11, 148950), (15, 109230), (18, 91025), (22, 74475), (25, 65538), (30, 54615), (33, 49650), (45, 36410), (50, 32769), (55, 29790), (66, 24825), (75, 21846), (90, 18205), (99, 16550), (110, 14895), (150, 10923), (165, 9930), (198, 8275), (225, 7282), (275, 5958), (330, 4965), (331, 4950), (450, 3641), (495, 3310), (550, 2979), (662, 2475), (825, 1986), (990, 1655), (993, 1650)]