208678320

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{2659}}^1$

素因数の和:2787

約数の個数: 120

約数和(自身を含む): 707506800

約数和(自身を除く): 498828480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 109, 120, 144, 180, 218, 240, 327, 360, 436, 545, 654, 720, 872, 981, 1090, 1308, 1635, 1744, 1962, 2180, 2616, 2659, 3270, 3924, 4360, 4905, 5232, 5318, 6540, 7848, 7977, 8720, 9810, 10636, 13080, 13295, 15696, 15954, 19620, 21272, 23931, 26160, 26590, 31908, 39240, 39885, 42544, 47862, 53180, 63816, 78480, 79770, 95724, 106360, 119655, 127632, 159540, 191448, 212720, 239310, 289831, 319080, 382896, 478620, 579662, 638160, 869493, 957240, 1159324, 1449155, 1738986, 1914480, 2318648, 2608479, 2898310, 3477972, 4347465, 4637296, 5216958, 5796620, 6955944, 8694930, 10433916, 11593240, 13042395, 13911888, 17389860, 20867832, 23186480, 26084790, 34779720, 41735664, 52169580, 69559440, 104339160, 208678320]

約数ペア:

[(1, 208678320), (2, 104339160), (3, 69559440), (4, 52169580), (5, 41735664), (6, 34779720), (8, 26084790), (9, 23186480), (10, 20867832), (12, 17389860), (15, 13911888), (16, 13042395), (18, 11593240), (20, 10433916), (24, 8694930), (30, 6955944), (36, 5796620), (40, 5216958), (45, 4637296), (48, 4347465), (60, 3477972), (72, 2898310), (80, 2608479), (90, 2318648), (109, 1914480), (120, 1738986), (144, 1449155), (180, 1159324), (218, 957240), (240, 869493), (327, 638160), (360, 579662), (436, 478620), (545, 382896), (654, 319080), (720, 289831), (872, 239310), (981, 212720), (1090, 191448), (1308, 159540), (1635, 127632), (1744, 119655), (1962, 106360), (2180, 95724), (2616, 79770), (2659, 78480), (3270, 63816), (3924, 53180), (4360, 47862), (4905, 42544), (5232, 39885), (5318, 39240), (6540, 31908), (7848, 26590), (7977, 26160), (8720, 23931), (9810, 21272), (10636, 19620), (13080, 15954), (13295, 15696)]