28189920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:329

約数の個数: 192

約数和(自身を含む): 102332160

約数和(自身を除く): 74142240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 220, 228, 240, 264, 281, 285, 304, 330, 352, 380, 418, 440, 456, 480, 528, 562, 570, 608, 627, 660, 760, 836, 843, 880, 912, 1045, 1056, 1124, 1140, 1254, 1320, 1405, 1520, 1672, 1686, 1760, 1824, 2090, 2248, 2280, 2508, 2640, 2810, 3040, 3091, 3135, 3344, 3372, 4180, 4215, 4496, 4560, 5016, 5280, 5339, 5620, 6182, 6270, 6688, 6744, 8360, 8430, 8992, 9120, 9273, 10032, 10678, 11240, 12364, 12540, 13488, 15455, 16017, 16720, 16860, 18546, 20064, 21356, 22480, 24728, 25080, 26695, 26976, 30910, 32034, 33440, 33720, 37092, 42712, 44960, 46365, 49456, 50160, 53390, 58729, 61820, 64068, 67440, 74184, 80085, 85424, 92730, 98912, 100320, 106780, 117458, 123640, 128136, 134880, 148368, 160170, 170848, 176187, 185460, 213560, 234916, 247280, 256272, 293645, 296736, 320340, 352374, 370920, 427120, 469832, 494560, 512544, 587290, 640680, 704748, 741840, 854240, 880935, 939664, 1174580, 1281360, 1409496, 1483680, 1761870, 1879328, 2349160, 2562720, 2818992, 3523740, 4698320, 5637984, 7047480, 9396640, 14094960, 28189920]

約数ペア:

[(1, 28189920), (2, 14094960), (3, 9396640), (4, 7047480), (5, 5637984), (6, 4698320), (8, 3523740), (10, 2818992), (11, 2562720), (12, 2349160), (15, 1879328), (16, 1761870), (19, 1483680), (20, 1409496), (22, 1281360), (24, 1174580), (30, 939664), (32, 880935), (33, 854240), (38, 741840), (40, 704748), (44, 640680), (48, 587290), (55, 512544), (57, 494560), (60, 469832), (66, 427120), (76, 370920), (80, 352374), (88, 320340), (95, 296736), (96, 293645), (110, 256272), (114, 247280), (120, 234916), (132, 213560), (152, 185460), (160, 176187), (165, 170848), (176, 160170), (190, 148368), (209, 134880), (220, 128136), (228, 123640), (240, 117458), (264, 106780), (281, 100320), (285, 98912), (304, 92730), (330, 85424), (352, 80085), (380, 74184), (418, 67440), (440, 64068), (456, 61820), (480, 58729), (528, 53390), (562, 50160), (570, 49456), (608, 46365), (627, 44960), (660, 42712), (760, 37092), (836, 33720), (843, 33440), (880, 32034), (912, 30910), (1045, 26976), (1056, 26695), (1124, 25080), (1140, 24728), (1254, 22480), (1320, 21356), (1405, 20064), (1520, 18546), (1672, 16860), (1686, 16720), (1760, 16017), (1824, 15455), (2090, 13488), (2248, 12540), (2280, 12364), (2508, 11240), (2640, 10678), (2810, 10032), (3040, 9273), (3091, 9120), (3135, 8992), (3344, 8430), (3372, 8360), (4180, 6744), (4215, 6688), (4496, 6270), (4560, 6182), (5016, 5620), (5280, 5339)]