2805532020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{820331}}^1$

素因数の和:820365

約数の個数: 72

約数和(自身を含む): 8958025440

約数和(自身を除く): 6152493420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 820331, 1640662, 2460993, 3281324, 4101655, 4921986, 7382979, 8203310, 9843972, 12304965, 14765958, 15586289, 16406620, 24609930, 29531916, 31172578, 36914895, 46758867, 49219860, 62345156, 73829790, 77931445, 93517734, 140276601, 147659580, 155862890, 187035468, 233794335, 280553202, 311725780, 467588670, 561106404, 701383005, 935177340, 1402766010, 2805532020]

約数ペア:

[(1, 2805532020), (2, 1402766010), (3, 935177340), (4, 701383005), (5, 561106404), (6, 467588670), (9, 311725780), (10, 280553202), (12, 233794335), (15, 187035468), (18, 155862890), (19, 147659580), (20, 140276601), (30, 93517734), (36, 77931445), (38, 73829790), (45, 62345156), (57, 49219860), (60, 46758867), (76, 36914895), (90, 31172578), (95, 29531916), (114, 24609930), (171, 16406620), (180, 15586289), (190, 14765958), (228, 12304965), (285, 9843972), (342, 8203310), (380, 7382979), (570, 4921986), (684, 4101655), (855, 3281324), (1140, 2460993), (1710, 1640662), (3420, 820331)]