320120880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2531}}^1$

素因数の和:2595

約数の個数: 160

約数和(自身を含む): 1085073408

約数和(自身を除く): 764952528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 34, 40, 48, 51, 60, 62, 68, 80, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 496, 510, 527, 620, 680, 744, 816, 930, 1020, 1054, 1240, 1360, 1488, 1581, 1860, 2040, 2108, 2480, 2531, 2635, 3162, 3720, 4080, 4216, 5062, 5270, 6324, 7440, 7593, 7905, 8432, 10124, 10540, 12648, 12655, 15186, 15810, 20248, 21080, 25296, 25310, 30372, 31620, 37965, 40496, 42160, 43027, 50620, 60744, 63240, 75930, 78461, 86054, 101240, 121488, 126480, 129081, 151860, 156922, 172108, 202480, 215135, 235383, 258162, 303720, 313844, 344216, 392305, 430270, 470766, 516324, 607440, 627688, 645405, 688432, 784610, 860540, 941532, 1032648, 1176915, 1255376, 1290810, 1333837, 1569220, 1721080, 1883064, 2065296, 2353830, 2581620, 2667674, 3138440, 3442160, 3766128, 4001511, 4707660, 5163240, 5335348, 6276880, 6669185, 8003022, 9415320, 10326480, 10670696, 13338370, 16006044, 18830640, 20007555, 21341392, 26676740, 32012088, 40015110, 53353480, 64024176, 80030220, 106706960, 160060440, 320120880]

約数ペア:

[(1, 320120880), (2, 160060440), (3, 106706960), (4, 80030220), (5, 64024176), (6, 53353480), (8, 40015110), (10, 32012088), (12, 26676740), (15, 21341392), (16, 20007555), (17, 18830640), (20, 16006044), (24, 13338370), (30, 10670696), (31, 10326480), (34, 9415320), (40, 8003022), (48, 6669185), (51, 6276880), (60, 5335348), (62, 5163240), (68, 4707660), (80, 4001511), (85, 3766128), (93, 3442160), (102, 3138440), (120, 2667674), (124, 2581620), (136, 2353830), (155, 2065296), (170, 1883064), (186, 1721080), (204, 1569220), (240, 1333837), (248, 1290810), (255, 1255376), (272, 1176915), (310, 1032648), (340, 941532), (372, 860540), (408, 784610), (465, 688432), (496, 645405), (510, 627688), (527, 607440), (620, 516324), (680, 470766), (744, 430270), (816, 392305), (930, 344216), (1020, 313844), (1054, 303720), (1240, 258162), (1360, 235383), (1488, 215135), (1581, 202480), (1860, 172108), (2040, 156922), (2108, 151860), (2480, 129081), (2531, 126480), (2635, 121488), (3162, 101240), (3720, 86054), (4080, 78461), (4216, 75930), (5062, 63240), (5270, 60744), (6324, 50620), (7440, 43027), (7593, 42160), (7905, 40496), (8432, 37965), (10124, 31620), (10540, 30372), (12648, 25310), (12655, 25296), (15186, 21080), (15810, 20248)]