2157496740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{90121}}^1$

素因数の和:90162

約数の個数: 144

約数和(自身を含む): 7873057920

約数和(自身を除く): 5715561180

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3420, 3990, 4788, 5985, 7980, 11970, 23940, 90121, 180242, 270363, 360484, 450605, 540726, 630847, 811089, 901210, 1081452, 1261694, 1351815, 1622178, 1712299, 1802420, 1892541, 2523388, 2703630, 3154235, 3244356, 3424598, 3785082, 4055445, 5136897, 5407260, 5677623, 6308470, 6849196, 7570164, 8110890, 8561495, 9462705, 10273794, 11355246, 11986093, 12616940, 15410691, 16221780, 17122990, 18925410, 20547588, 22710492, 23972186, 25684485, 28388115, 30821382, 34245980, 35958279, 37850820, 47944372, 51368970, 56776230, 59930465, 61642764, 71916558, 77053455, 102737940, 107874837, 113552460, 119860930, 143833116, 154106910, 179791395, 215749674, 239721860, 308213820, 359582790, 431499348, 539374185, 719165580, 1078748370, 2157496740]

約数ペア:

[(1, 2157496740), (2, 1078748370), (3, 719165580), (4, 539374185), (5, 431499348), (6, 359582790), (7, 308213820), (9, 239721860), (10, 215749674), (12, 179791395), (14, 154106910), (15, 143833116), (18, 119860930), (19, 113552460), (20, 107874837), (21, 102737940), (28, 77053455), (30, 71916558), (35, 61642764), (36, 59930465), (38, 56776230), (42, 51368970), (45, 47944372), (57, 37850820), (60, 35958279), (63, 34245980), (70, 30821382), (76, 28388115), (84, 25684485), (90, 23972186), (95, 22710492), (105, 20547588), (114, 18925410), (126, 17122990), (133, 16221780), (140, 15410691), (171, 12616940), (180, 11986093), (190, 11355246), (210, 10273794), (228, 9462705), (252, 8561495), (266, 8110890), (285, 7570164), (315, 6849196), (342, 6308470), (380, 5677623), (399, 5407260), (420, 5136897), (532, 4055445), (570, 3785082), (630, 3424598), (665, 3244356), (684, 3154235), (798, 2703630), (855, 2523388), (1140, 1892541), (1197, 1802420), (1260, 1712299), (1330, 1622178), (1596, 1351815), (1710, 1261694), (1995, 1081452), (2394, 901210), (2660, 811089), (3420, 630847), (3990, 540726), (4788, 450605), (5985, 360484), (7980, 270363), (11970, 180242), (23940, 90121)]