320967480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{3659}}^1$

素因数の和:3733

約数の個数: 128

約数和(自身を含む): 1043539200

約数和(自身を除く): 722571720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 43, 51, 60, 68, 85, 86, 102, 120, 129, 136, 170, 172, 204, 215, 255, 258, 340, 344, 408, 430, 510, 516, 645, 680, 731, 860, 1020, 1032, 1290, 1462, 1720, 2040, 2193, 2580, 2924, 3655, 3659, 4386, 5160, 5848, 7310, 7318, 8772, 10965, 10977, 14620, 14636, 17544, 18295, 21930, 21954, 29240, 29272, 36590, 43860, 43908, 54885, 62203, 73180, 87720, 87816, 109770, 124406, 146360, 157337, 186609, 219540, 248812, 311015, 314674, 373218, 439080, 472011, 497624, 622030, 629348, 746436, 786685, 933045, 944022, 1244060, 1258696, 1492872, 1573370, 1866090, 1888044, 2360055, 2488120, 2674729, 3146740, 3732180, 3776088, 4720110, 5349458, 6293480, 7464360, 8024187, 9440220, 10698916, 13373645, 16048374, 18880440, 21397832, 26747290, 32096748, 40120935, 53494580, 64193496, 80241870, 106989160, 160483740, 320967480]

約数ペア:

[(1, 320967480), (2, 160483740), (3, 106989160), (4, 80241870), (5, 64193496), (6, 53494580), (8, 40120935), (10, 32096748), (12, 26747290), (15, 21397832), (17, 18880440), (20, 16048374), (24, 13373645), (30, 10698916), (34, 9440220), (40, 8024187), (43, 7464360), (51, 6293480), (60, 5349458), (68, 4720110), (85, 3776088), (86, 3732180), (102, 3146740), (120, 2674729), (129, 2488120), (136, 2360055), (170, 1888044), (172, 1866090), (204, 1573370), (215, 1492872), (255, 1258696), (258, 1244060), (340, 944022), (344, 933045), (408, 786685), (430, 746436), (510, 629348), (516, 622030), (645, 497624), (680, 472011), (731, 439080), (860, 373218), (1020, 314674), (1032, 311015), (1290, 248812), (1462, 219540), (1720, 186609), (2040, 157337), (2193, 146360), (2580, 124406), (2924, 109770), (3655, 87816), (3659, 87720), (4386, 73180), (5160, 62203), (5848, 54885), (7310, 43908), (7318, 43860), (8772, 36590), (10965, 29272), (10977, 29240), (14620, 21954), (14636, 21930), (17544, 18295)]