71960980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2129

約数の個数: 96

約数和(自身を含む): 195874560

約数和(自身を除く): 123913580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2081, 2470, 2660, 3458, 4162, 4940, 6916, 8324, 8645, 10405, 14567, 17290, 20810, 27053, 29134, 34580, 39539, 41620, 54106, 58268, 72835, 79078, 108212, 135265, 145670, 158156, 189371, 197695, 270530, 276773, 291340, 378742, 395390, 514007, 541060, 553546, 757484, 790780, 946855, 1028014, 1107092, 1383865, 1893710, 2056028, 2570035, 2767730, 3598049, 3787420, 5140070, 5535460, 7196098, 10280140, 14392196, 17990245, 35980490, 71960980]

約数ペア:

[(1, 71960980), (2, 35980490), (4, 17990245), (5, 14392196), (7, 10280140), (10, 7196098), (13, 5535460), (14, 5140070), (19, 3787420), (20, 3598049), (26, 2767730), (28, 2570035), (35, 2056028), (38, 1893710), (52, 1383865), (65, 1107092), (70, 1028014), (76, 946855), (91, 790780), (95, 757484), (130, 553546), (133, 541060), (140, 514007), (182, 395390), (190, 378742), (247, 291340), (260, 276773), (266, 270530), (364, 197695), (380, 189371), (455, 158156), (494, 145670), (532, 135265), (665, 108212), (910, 79078), (988, 72835), (1235, 58268), (1330, 54106), (1729, 41620), (1820, 39539), (2081, 34580), (2470, 29134), (2660, 27053), (3458, 20810), (4162, 17290), (4940, 14567), (6916, 10405), (8324, 8645)]