79979220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:534

約数の個数: 144

約数和(自身を含む): 261817920

約数和(自身を除く): 181838700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 59, 60, 68, 85, 90, 102, 118, 153, 170, 177, 180, 204, 236, 255, 295, 306, 340, 354, 443, 510, 531, 590, 612, 708, 765, 885, 886, 1003, 1020, 1062, 1180, 1329, 1530, 1770, 1772, 2006, 2124, 2215, 2655, 2658, 3009, 3060, 3540, 3987, 4012, 4430, 5015, 5310, 5316, 6018, 6645, 7531, 7974, 8860, 9027, 10030, 10620, 12036, 13290, 15045, 15062, 15948, 18054, 19935, 20060, 22593, 26137, 26580, 30090, 30124, 36108, 37655, 39870, 45135, 45186, 52274, 60180, 67779, 75310, 78411, 79740, 90270, 90372, 104548, 112965, 130685, 135558, 150620, 156822, 180540, 225930, 235233, 261370, 271116, 313644, 338895, 392055, 444329, 451860, 470466, 522740, 677790, 784110, 888658, 940932, 1176165, 1332987, 1355580, 1568220, 1777316, 2221645, 2352330, 2665974, 3998961, 4443290, 4704660, 5331948, 6664935, 7997922, 8886580, 13329870, 15995844, 19994805, 26659740, 39989610, 79979220]

約数ペア:

[(1, 79979220), (2, 39989610), (3, 26659740), (4, 19994805), (5, 15995844), (6, 13329870), (9, 8886580), (10, 7997922), (12, 6664935), (15, 5331948), (17, 4704660), (18, 4443290), (20, 3998961), (30, 2665974), (34, 2352330), (36, 2221645), (45, 1777316), (51, 1568220), (59, 1355580), (60, 1332987), (68, 1176165), (85, 940932), (90, 888658), (102, 784110), (118, 677790), (153, 522740), (170, 470466), (177, 451860), (180, 444329), (204, 392055), (236, 338895), (255, 313644), (295, 271116), (306, 261370), (340, 235233), (354, 225930), (443, 180540), (510, 156822), (531, 150620), (590, 135558), (612, 130685), (708, 112965), (765, 104548), (885, 90372), (886, 90270), (1003, 79740), (1020, 78411), (1062, 75310), (1180, 67779), (1329, 60180), (1530, 52274), (1770, 45186), (1772, 45135), (2006, 39870), (2124, 37655), (2215, 36108), (2655, 30124), (2658, 30090), (3009, 26580), (3060, 26137), (3540, 22593), (3987, 20060), (4012, 19935), (4430, 18054), (5015, 15948), (5310, 15062), (5316, 15045), (6018, 13290), (6645, 12036), (7531, 10620), (7974, 10030), (8860, 9027)]