128610020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3631}}^1$

素因数の和:3681

約数の個数: 96

約数和(自身を含む): 351461376

約数和(自身を除く): 222851356

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 28, 35, 44, 46, 55, 70, 77, 92, 110, 115, 140, 154, 161, 220, 230, 253, 308, 322, 385, 460, 506, 644, 770, 805, 1012, 1265, 1540, 1610, 1771, 2530, 3220, 3542, 3631, 5060, 7084, 7262, 8855, 14524, 17710, 18155, 25417, 35420, 36310, 39941, 50834, 72620, 79882, 83513, 101668, 127085, 159764, 167026, 199705, 254170, 279587, 334052, 399410, 417565, 508340, 559174, 584591, 798820, 835130, 918643, 1118348, 1169182, 1397935, 1670260, 1837286, 2338364, 2795870, 2922955, 3674572, 4593215, 5591740, 5845910, 6430501, 9186430, 11691820, 12861002, 18372860, 25722004, 32152505, 64305010, 128610020]

約数ペア:

[(1, 128610020), (2, 64305010), (4, 32152505), (5, 25722004), (7, 18372860), (10, 12861002), (11, 11691820), (14, 9186430), (20, 6430501), (22, 5845910), (23, 5591740), (28, 4593215), (35, 3674572), (44, 2922955), (46, 2795870), (55, 2338364), (70, 1837286), (77, 1670260), (92, 1397935), (110, 1169182), (115, 1118348), (140, 918643), (154, 835130), (161, 798820), (220, 584591), (230, 559174), (253, 508340), (308, 417565), (322, 399410), (385, 334052), (460, 279587), (506, 254170), (644, 199705), (770, 167026), (805, 159764), (1012, 127085), (1265, 101668), (1540, 83513), (1610, 79882), (1771, 72620), (2530, 50834), (3220, 39941), (3542, 36310), (3631, 35420), (5060, 25417), (7084, 18155), (7262, 17710), (8855, 14524)]