681256620

素因数分解:

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

素因数の和:1077

約数の個数: 216

約数和(自身を含む): 2347013760

約数和(自身を除く): 1665757140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 396, 465, 484, 495, 558, 605, 620, 660, 682, 726, 930, 990, 1009, 1023, 1089, 1116, 1210, 1364, 1395, 1452, 1705, 1815, 1860, 1980, 2018, 2046, 2178, 2420, 2790, 3027, 3069, 3410, 3630, 3751, 4036, 4092, 4356, 5045, 5115, 5445, 5580, 6054, 6138, 6820, 7260, 7502, 9081, 10090, 10230, 10890, 11099, 11253, 12108, 12276, 15004, 15135, 15345, 18162, 18755, 20180, 20460, 21780, 22198, 22506, 30270, 30690, 31279, 33297, 33759, 36324, 37510, 44396, 45012, 45405, 55495, 56265, 60540, 61380, 62558, 66594, 67518, 75020, 90810, 93837, 99891, 110990, 112530, 122089, 125116, 133188, 135036, 156395, 166485, 168795, 181620, 187674, 199782, 221980, 225060, 244178, 281511, 312790, 332970, 337590, 344069, 366267, 375348, 399564, 469185, 488356, 499455, 563022, 610445, 625580, 665940, 675180, 688138, 732534, 938370, 998910, 1032207, 1098801, 1126044, 1220890, 1376276, 1407555, 1465068, 1720345, 1831335, 1876740, 1997820, 2064414, 2197602, 2441780, 2815110, 3096621, 3440690, 3662670, 3784759, 4128828, 4395204, 5161035, 5494005, 5630220, 6193242, 6881380, 7325340, 7569518, 10322070, 10988010, 11354277, 12386484, 15139036, 15483105, 18923795, 20644140, 21976020, 22708554, 30966210, 34062831, 37847590, 45417108, 56771385, 61932420, 68125662, 75695180, 113542770, 136251324, 170314155, 227085540, 340628310, 681256620]

約数ペア:

[(1, 681256620), (2, 340628310), (3, 227085540), (4, 170314155), (5, 136251324), (6, 113542770), (9, 75695180), (10, 68125662), (11, 61932420), (12, 56771385), (15, 45417108), (18, 37847590), (20, 34062831), (22, 30966210), (30, 22708554), (31, 21976020), (33, 20644140), (36, 18923795), (44, 15483105), (45, 15139036), (55, 12386484), (60, 11354277), (62, 10988010), (66, 10322070), (90, 7569518), (93, 7325340), (99, 6881380), (110, 6193242), (121, 5630220), (124, 5494005), (132, 5161035), (155, 4395204), (165, 4128828), (180, 3784759), (186, 3662670), (198, 3440690), (220, 3096621), (242, 2815110), (279, 2441780), (310, 2197602), (330, 2064414), (341, 1997820), (363, 1876740), (372, 1831335), (396, 1720345), (465, 1465068), (484, 1407555), (495, 1376276), (558, 1220890), (605, 1126044), (620, 1098801), (660, 1032207), (682, 998910), (726, 938370), (930, 732534), (990, 688138), (1009, 675180), (1023, 665940), (1089, 625580), (1116, 610445), (1210, 563022), (1364, 499455), (1395, 488356), (1452, 469185), (1705, 399564), (1815, 375348), (1860, 366267), (1980, 344069), (2018, 337590), (2046, 332970), (2178, 312790), (2420, 281511), (2790, 244178), (3027, 225060), (3069, 221980), (3410, 199782), (3630, 187674), (3751, 181620), (4036, 168795), (4092, 166485), (4356, 156395), (5045, 135036), (5115, 133188), (5445, 125116), (5580, 122089), (6054, 112530), (6138, 110990), (6820, 99891), (7260, 93837), (7502, 90810), (9081, 75020), (10090, 67518), (10230, 66594), (10890, 62558), (11099, 61380), (11253, 60540), (12108, 56265), (12276, 55495), (15004, 45405), (15135, 45012), (15345, 44396), (18162, 37510), (18755, 36324), (20180, 33759), (20460, 33297), (21780, 31279), (22198, 30690), (22506, 30270)]