211520120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1273

約数の個数: 128

約数和(自身を含む): 591960960

約数和(自身を除く): 380440840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 37, 40, 56, 68, 70, 74, 85, 119, 136, 140, 148, 170, 185, 238, 259, 280, 296, 340, 370, 476, 518, 595, 629, 680, 740, 952, 1036, 1190, 1201, 1258, 1295, 1480, 2072, 2380, 2402, 2516, 2590, 3145, 4403, 4760, 4804, 5032, 5180, 6005, 6290, 8407, 8806, 9608, 10360, 12010, 12580, 16814, 17612, 20417, 22015, 24020, 25160, 33628, 35224, 40834, 42035, 44030, 44437, 48040, 67256, 81668, 84070, 88060, 88874, 102085, 142919, 163336, 168140, 176120, 177748, 204170, 222185, 285838, 311059, 336280, 355496, 408340, 444370, 571676, 622118, 714595, 755429, 816680, 888740, 1143352, 1244236, 1429190, 1510858, 1555295, 1777480, 2488472, 2858380, 3021716, 3110590, 3777145, 5288003, 5716760, 6043432, 6221180, 7554290, 10576006, 12442360, 15108580, 21152012, 26440015, 30217160, 42304024, 52880030, 105760060, 211520120]

約数ペア:

[(1, 211520120), (2, 105760060), (4, 52880030), (5, 42304024), (7, 30217160), (8, 26440015), (10, 21152012), (14, 15108580), (17, 12442360), (20, 10576006), (28, 7554290), (34, 6221180), (35, 6043432), (37, 5716760), (40, 5288003), (56, 3777145), (68, 3110590), (70, 3021716), (74, 2858380), (85, 2488472), (119, 1777480), (136, 1555295), (140, 1510858), (148, 1429190), (170, 1244236), (185, 1143352), (238, 888740), (259, 816680), (280, 755429), (296, 714595), (340, 622118), (370, 571676), (476, 444370), (518, 408340), (595, 355496), (629, 336280), (680, 311059), (740, 285838), (952, 222185), (1036, 204170), (1190, 177748), (1201, 176120), (1258, 168140), (1295, 163336), (1480, 142919), (2072, 102085), (2380, 88874), (2402, 88060), (2516, 84070), (2590, 81668), (3145, 67256), (4403, 48040), (4760, 44437), (4804, 44030), (5032, 42035), (5180, 40834), (6005, 35224), (6290, 33628), (8407, 25160), (8806, 24020), (9608, 22015), (10360, 20417), (12010, 17612), (12580, 16814)]