784816740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42331}}^1$

素因数の和:42449

約数の個数: 72

約数和(自身を含む): 2403780288

約数和(自身を除く): 1618963548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 42331, 84662, 126993, 169324, 211655, 253986, 380979, 423310, 507972, 634965, 761958, 846620, 1269930, 1523916, 1904895, 2539860, 3809790, 4360093, 7619580, 8720186, 13080279, 17440372, 21800465, 26160558, 39240837, 43600930, 52321116, 65401395, 78481674, 87201860, 130802790, 156963348, 196204185, 261605580, 392408370, 784816740]

約数ペア:

[(1, 784816740), (2, 392408370), (3, 261605580), (4, 196204185), (5, 156963348), (6, 130802790), (9, 87201860), (10, 78481674), (12, 65401395), (15, 52321116), (18, 43600930), (20, 39240837), (30, 26160558), (36, 21800465), (45, 17440372), (60, 13080279), (90, 8720186), (103, 7619580), (180, 4360093), (206, 3809790), (309, 2539860), (412, 1904895), (515, 1523916), (618, 1269930), (927, 846620), (1030, 761958), (1236, 634965), (1545, 507972), (1854, 423310), (2060, 380979), (3090, 253986), (3708, 211655), (4635, 169324), (6180, 126993), (9270, 84662), (18540, 42331)]