72615480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{631}}^1$

素因数の和:789

約数の個数: 128

約数和(自身を含む): 251182080

約数和(自身を除く): 178566600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 137, 140, 168, 210, 274, 280, 411, 420, 548, 631, 685, 822, 840, 959, 1096, 1262, 1370, 1644, 1893, 1918, 2055, 2524, 2740, 2877, 3155, 3288, 3786, 3836, 4110, 4417, 4795, 5048, 5480, 5754, 6310, 7572, 7672, 8220, 8834, 9465, 9590, 11508, 12620, 13251, 14385, 15144, 16440, 17668, 18930, 19180, 22085, 23016, 25240, 26502, 28770, 35336, 37860, 38360, 44170, 53004, 57540, 66255, 75720, 86447, 88340, 106008, 115080, 132510, 172894, 176680, 259341, 265020, 345788, 432235, 518682, 530040, 605129, 691576, 864470, 1037364, 1210258, 1296705, 1728940, 1815387, 2074728, 2420516, 2593410, 3025645, 3457880, 3630774, 4841032, 5186820, 6051290, 7261548, 9076935, 10373640, 12102580, 14523096, 18153870, 24205160, 36307740, 72615480]

約数ペア:

[(1, 72615480), (2, 36307740), (3, 24205160), (4, 18153870), (5, 14523096), (6, 12102580), (7, 10373640), (8, 9076935), (10, 7261548), (12, 6051290), (14, 5186820), (15, 4841032), (20, 3630774), (21, 3457880), (24, 3025645), (28, 2593410), (30, 2420516), (35, 2074728), (40, 1815387), (42, 1728940), (56, 1296705), (60, 1210258), (70, 1037364), (84, 864470), (105, 691576), (120, 605129), (137, 530040), (140, 518682), (168, 432235), (210, 345788), (274, 265020), (280, 259341), (411, 176680), (420, 172894), (548, 132510), (631, 115080), (685, 106008), (822, 88340), (840, 86447), (959, 75720), (1096, 66255), (1262, 57540), (1370, 53004), (1644, 44170), (1893, 38360), (1918, 37860), (2055, 35336), (2524, 28770), (2740, 26502), (2877, 25240), (3155, 23016), (3288, 22085), (3786, 19180), (3836, 18930), (4110, 17668), (4417, 16440), (4795, 15144), (5048, 14385), (5480, 13251), (5754, 12620), (6310, 11508), (7572, 9590), (7672, 9465), (8220, 8834)]