79801440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{173}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 261246384

約数和(自身を除く): 181444944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 173, 186, 240, 248, 310, 346, 372, 465, 480, 496, 519, 620, 692, 744, 865, 930, 961, 992, 1038, 1240, 1384, 1488, 1730, 1860, 1922, 2076, 2480, 2595, 2768, 2883, 2976, 3460, 3720, 3844, 4152, 4805, 4960, 5190, 5363, 5536, 5766, 6920, 7440, 7688, 8304, 9610, 10380, 10726, 11532, 13840, 14415, 14880, 15376, 16089, 16608, 19220, 20760, 21452, 23064, 26815, 27680, 28830, 30752, 32178, 38440, 41520, 42904, 46128, 53630, 57660, 64356, 76880, 80445, 83040, 85808, 92256, 107260, 115320, 128712, 153760, 160890, 166253, 171616, 214520, 230640, 257424, 321780, 332506, 429040, 461280, 498759, 514848, 643560, 665012, 831265, 858080, 997518, 1287120, 1330024, 1662530, 1995036, 2493795, 2574240, 2660048, 3325060, 3990072, 4987590, 5320096, 6650120, 7980144, 9975180, 13300240, 15960288, 19950360, 26600480, 39900720, 79801440]

約数ペア:

[(1, 79801440), (2, 39900720), (3, 26600480), (4, 19950360), (5, 15960288), (6, 13300240), (8, 9975180), (10, 7980144), (12, 6650120), (15, 5320096), (16, 4987590), (20, 3990072), (24, 3325060), (30, 2660048), (31, 2574240), (32, 2493795), (40, 1995036), (48, 1662530), (60, 1330024), (62, 1287120), (80, 997518), (93, 858080), (96, 831265), (120, 665012), (124, 643560), (155, 514848), (160, 498759), (173, 461280), (186, 429040), (240, 332506), (248, 321780), (310, 257424), (346, 230640), (372, 214520), (465, 171616), (480, 166253), (496, 160890), (519, 153760), (620, 128712), (692, 115320), (744, 107260), (865, 92256), (930, 85808), (961, 83040), (992, 80445), (1038, 76880), (1240, 64356), (1384, 57660), (1488, 53630), (1730, 46128), (1860, 42904), (1922, 41520), (2076, 38440), (2480, 32178), (2595, 30752), (2768, 28830), (2883, 27680), (2976, 26815), (3460, 23064), (3720, 21452), (3844, 20760), (4152, 19220), (4805, 16608), (4960, 16089), (5190, 15376), (5363, 14880), (5536, 14415), (5766, 13840), (6920, 11532), (7440, 10726), (7688, 10380), (8304, 9610)]