639968340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{1009}}^1$

素因数の和:1094

約数の個数: 144

約数和(自身を含む): 2021906880

約数和(自身を除く): 1381938540

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 124, 132, 155, 165, 186, 220, 310, 330, 341, 372, 465, 620, 660, 682, 930, 961, 1009, 1023, 1364, 1705, 1860, 1922, 2018, 2046, 2883, 3027, 3410, 3844, 4036, 4092, 4805, 5045, 5115, 5766, 6054, 6820, 9610, 10090, 10230, 10571, 11099, 11532, 12108, 14415, 15135, 19220, 20180, 20460, 21142, 22198, 28830, 30270, 31279, 31713, 33297, 42284, 44396, 52855, 55495, 57660, 60540, 62558, 63426, 66594, 93837, 105710, 110990, 125116, 126852, 133188, 156395, 158565, 166485, 187674, 211420, 221980, 312790, 317130, 332970, 344069, 375348, 469185, 625580, 634260, 665940, 688138, 938370, 969649, 1032207, 1376276, 1720345, 1876740, 1939298, 2064414, 2908947, 3440690, 3878596, 4128828, 4848245, 5161035, 5817894, 6881380, 9696490, 10322070, 10666139, 11635788, 14544735, 19392980, 20644140, 21332278, 29089470, 31998417, 42664556, 53330695, 58178940, 63996834, 106661390, 127993668, 159992085, 213322780, 319984170, 639968340]

約数ペア:

[(1, 639968340), (2, 319984170), (3, 213322780), (4, 159992085), (5, 127993668), (6, 106661390), (10, 63996834), (11, 58178940), (12, 53330695), (15, 42664556), (20, 31998417), (22, 29089470), (30, 21332278), (31, 20644140), (33, 19392980), (44, 14544735), (55, 11635788), (60, 10666139), (62, 10322070), (66, 9696490), (93, 6881380), (110, 5817894), (124, 5161035), (132, 4848245), (155, 4128828), (165, 3878596), (186, 3440690), (220, 2908947), (310, 2064414), (330, 1939298), (341, 1876740), (372, 1720345), (465, 1376276), (620, 1032207), (660, 969649), (682, 938370), (930, 688138), (961, 665940), (1009, 634260), (1023, 625580), (1364, 469185), (1705, 375348), (1860, 344069), (1922, 332970), (2018, 317130), (2046, 312790), (2883, 221980), (3027, 211420), (3410, 187674), (3844, 166485), (4036, 158565), (4092, 156395), (4805, 133188), (5045, 126852), (5115, 125116), (5766, 110990), (6054, 105710), (6820, 93837), (9610, 66594), (10090, 63426), (10230, 62558), (10571, 60540), (11099, 57660), (11532, 55495), (12108, 52855), (14415, 44396), (15135, 42284), (19220, 33297), (20180, 31713), (20460, 31279), (21142, 30270), (22198, 28830)]