2780455920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{7577}}^1$

素因数の和:7743

約数の個数: 160

約数和(自身を含む): 9471893760

約数和(自身を除く): 6691437840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 139, 165, 176, 220, 240, 264, 278, 330, 417, 440, 528, 556, 660, 695, 834, 880, 1112, 1320, 1390, 1529, 1668, 2085, 2224, 2640, 2780, 3058, 3336, 4170, 4587, 5560, 6116, 6672, 7577, 7645, 8340, 9174, 11120, 12232, 15154, 15290, 16680, 18348, 22731, 22935, 24464, 30308, 30580, 33360, 36696, 37885, 45462, 45870, 60616, 61160, 73392, 75770, 83347, 90924, 91740, 113655, 121232, 122320, 151540, 166694, 181848, 183480, 227310, 250041, 303080, 333388, 363696, 366960, 416735, 454620, 500082, 606160, 666776, 833470, 909240, 1000164, 1053203, 1250205, 1333552, 1666940, 1818480, 2000328, 2106406, 2500410, 3159609, 3333880, 4000656, 4212812, 5000820, 5266015, 6319218, 6667760, 8425624, 10001640, 10532030, 11585233, 12638436, 15798045, 16851248, 20003280, 21064060, 23170466, 25276872, 31596090, 34755699, 42128120, 46340932, 50553744, 57926165, 63192180, 69511398, 84256240, 92681864, 115852330, 126384360, 139022796, 173778495, 185363728, 231704660, 252768720, 278045592, 347556990, 463409320, 556091184, 695113980, 926818640, 1390227960, 2780455920]

約数ペア:

[(1, 2780455920), (2, 1390227960), (3, 926818640), (4, 695113980), (5, 556091184), (6, 463409320), (8, 347556990), (10, 278045592), (11, 252768720), (12, 231704660), (15, 185363728), (16, 173778495), (20, 139022796), (22, 126384360), (24, 115852330), (30, 92681864), (33, 84256240), (40, 69511398), (44, 63192180), (48, 57926165), (55, 50553744), (60, 46340932), (66, 42128120), (80, 34755699), (88, 31596090), (110, 25276872), (120, 23170466), (132, 21064060), (139, 20003280), (165, 16851248), (176, 15798045), (220, 12638436), (240, 11585233), (264, 10532030), (278, 10001640), (330, 8425624), (417, 6667760), (440, 6319218), (528, 5266015), (556, 5000820), (660, 4212812), (695, 4000656), (834, 3333880), (880, 3159609), (1112, 2500410), (1320, 2106406), (1390, 2000328), (1529, 1818480), (1668, 1666940), (2085, 1333552), (2224, 1250205), (2640, 1053203), (2780, 1000164), (3058, 909240), (3336, 833470), (4170, 666776), (4587, 606160), (5560, 500082), (6116, 454620), (6672, 416735), (7577, 366960), (7645, 363696), (8340, 333388), (9174, 303080), (11120, 250041), (12232, 227310), (15154, 183480), (15290, 181848), (16680, 166694), (18348, 151540), (22731, 122320), (22935, 121232), (24464, 113655), (30308, 91740), (30580, 90924), (33360, 83347), (36696, 75770), (37885, 73392), (45462, 61160), (45870, 60616)]