2440021980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{613}}^1$

素因数の和:836

約数の個数: 192

約数和(自身を含む): 7714119168

約数和(自身を除く): 5274097188

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 37, 44, 55, 60, 66, 74, 110, 111, 132, 148, 163, 165, 185, 220, 222, 326, 330, 370, 407, 444, 489, 555, 613, 652, 660, 740, 814, 815, 978, 1110, 1221, 1226, 1628, 1630, 1793, 1839, 1956, 2035, 2220, 2442, 2445, 2452, 3065, 3260, 3586, 3678, 4070, 4884, 4890, 5379, 6031, 6105, 6130, 6743, 7172, 7356, 8140, 8965, 9195, 9780, 10758, 12062, 12210, 12260, 13486, 17930, 18093, 18390, 20229, 21516, 22681, 24124, 24420, 26895, 26972, 30155, 33715, 35860, 36186, 36780, 40458, 45362, 53790, 60310, 66341, 67430, 68043, 72372, 80916, 90465, 90724, 99919, 101145, 107580, 113405, 120620, 132682, 134860, 136086, 180930, 199023, 199838, 202290, 226810, 249491, 265364, 272172, 299757, 331705, 340215, 361860, 398046, 399676, 404580, 453620, 498982, 499595, 599514, 663410, 680430, 748473, 796092, 995115, 997964, 999190, 1099109, 1199028, 1247455, 1326820, 1360860, 1496946, 1498785, 1990230, 1998380, 2198218, 2494910, 2993892, 2997570, 3297327, 3697003, 3742365, 3980460, 4396436, 4989820, 5495545, 5995140, 6594654, 7394006, 7484730, 10991090, 11091009, 13189308, 14788012, 14969460, 16486635, 18485015, 21982180, 22182018, 32973270, 36970030, 40667033, 44364036, 55455045, 65946540, 73940060, 81334066, 110910090, 122001099, 162668132, 203335165, 221820180, 244002198, 406670330, 488004396, 610005495, 813340660, 1220010990, 2440021980]

約数ペア:

[(1, 2440021980), (2, 1220010990), (3, 813340660), (4, 610005495), (5, 488004396), (6, 406670330), (10, 244002198), (11, 221820180), (12, 203335165), (15, 162668132), (20, 122001099), (22, 110910090), (30, 81334066), (33, 73940060), (37, 65946540), (44, 55455045), (55, 44364036), (60, 40667033), (66, 36970030), (74, 32973270), (110, 22182018), (111, 21982180), (132, 18485015), (148, 16486635), (163, 14969460), (165, 14788012), (185, 13189308), (220, 11091009), (222, 10991090), (326, 7484730), (330, 7394006), (370, 6594654), (407, 5995140), (444, 5495545), (489, 4989820), (555, 4396436), (613, 3980460), (652, 3742365), (660, 3697003), (740, 3297327), (814, 2997570), (815, 2993892), (978, 2494910), (1110, 2198218), (1221, 1998380), (1226, 1990230), (1628, 1498785), (1630, 1496946), (1793, 1360860), (1839, 1326820), (1956, 1247455), (2035, 1199028), (2220, 1099109), (2442, 999190), (2445, 997964), (2452, 995115), (3065, 796092), (3260, 748473), (3586, 680430), (3678, 663410), (4070, 599514), (4884, 499595), (4890, 498982), (5379, 453620), (6031, 404580), (6105, 399676), (6130, 398046), (6743, 361860), (7172, 340215), (7356, 331705), (8140, 299757), (8965, 272172), (9195, 265364), (9780, 249491), (10758, 226810), (12062, 202290), (12210, 199838), (12260, 199023), (13486, 180930), (17930, 136086), (18093, 134860), (18390, 132682), (20229, 120620), (21516, 113405), (22681, 107580), (24124, 101145), (24420, 99919), (26895, 90724), (26972, 90465), (30155, 80916), (33715, 72372), (35860, 68043), (36186, 67430), (36780, 66341), (40458, 60310), (45362, 53790)]