668457468

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{269}}^1$

素因数の和:481

約数の個数: 192

約数和(自身を含む): 2104704000

約数和(自身を除く): 1436246532

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 173, 189, 228, 252, 266, 269, 342, 346, 378, 399, 513, 519, 532, 538, 684, 692, 756, 798, 807, 1026, 1038, 1076, 1197, 1211, 1557, 1596, 1614, 1883, 2052, 2076, 2394, 2421, 2422, 3114, 3228, 3287, 3591, 3633, 3766, 4671, 4788, 4842, 4844, 5111, 5649, 6228, 6574, 7182, 7263, 7266, 7532, 9342, 9684, 9861, 10222, 10899, 11298, 13148, 14364, 14526, 14532, 15333, 16947, 18684, 19722, 20444, 21798, 22596, 23009, 29052, 29583, 30666, 32697, 33894, 35777, 39444, 43596, 45999, 46018, 46537, 50841, 59166, 61332, 65394, 67788, 69027, 71554, 88749, 91998, 92036, 93074, 101682, 107331, 118332, 130788, 137997, 138054, 139611, 143108, 177498, 183996, 186148, 203364, 207081, 214662, 275994, 276108, 279222, 321993, 325759, 354996, 414162, 418833, 429324, 551988, 558444, 621243, 643986, 651518, 828324, 837666, 884203, 965979, 977277, 1242486, 1256499, 1287972, 1303036, 1675332, 1768406, 1931958, 1954554, 2484972, 2512998, 2652609, 2931831, 3536812, 3863916, 3909108, 5025996, 5305218, 5863662, 6189421, 7957827, 8795493, 10610436, 11727324, 12378842, 15915654, 17590986, 18568263, 23873481, 24757684, 31831308, 35181972, 37136526, 47746962, 55704789, 74273052, 95493924, 111409578, 167114367, 222819156, 334228734, 668457468]

約数ペア:

[(1, 668457468), (2, 334228734), (3, 222819156), (4, 167114367), (6, 111409578), (7, 95493924), (9, 74273052), (12, 55704789), (14, 47746962), (18, 37136526), (19, 35181972), (21, 31831308), (27, 24757684), (28, 23873481), (36, 18568263), (38, 17590986), (42, 15915654), (54, 12378842), (57, 11727324), (63, 10610436), (76, 8795493), (84, 7957827), (108, 6189421), (114, 5863662), (126, 5305218), (133, 5025996), (171, 3909108), (173, 3863916), (189, 3536812), (228, 2931831), (252, 2652609), (266, 2512998), (269, 2484972), (342, 1954554), (346, 1931958), (378, 1768406), (399, 1675332), (513, 1303036), (519, 1287972), (532, 1256499), (538, 1242486), (684, 977277), (692, 965979), (756, 884203), (798, 837666), (807, 828324), (1026, 651518), (1038, 643986), (1076, 621243), (1197, 558444), (1211, 551988), (1557, 429324), (1596, 418833), (1614, 414162), (1883, 354996), (2052, 325759), (2076, 321993), (2394, 279222), (2421, 276108), (2422, 275994), (3114, 214662), (3228, 207081), (3287, 203364), (3591, 186148), (3633, 183996), (3766, 177498), (4671, 143108), (4788, 139611), (4842, 138054), (4844, 137997), (5111, 130788), (5649, 118332), (6228, 107331), (6574, 101682), (7182, 93074), (7263, 92036), (7266, 91998), (7532, 88749), (9342, 71554), (9684, 69027), (9861, 67788), (10222, 65394), (10899, 61332), (11298, 59166), (13148, 50841), (14364, 46537), (14526, 46018), (14532, 45999), (15333, 43596), (16947, 39444), (18684, 35777), (19722, 33894), (20444, 32697), (21798, 30666), (22596, 29583), (23009, 29052)]