90368720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2803}}^1$

素因数の和:2860

約数の個数: 80

約数和(自身を含む): 233651712

約数和(自身を除く): 143282992

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 2803, 3224, 4030, 5606, 6448, 8060, 11212, 14015, 16120, 22424, 28030, 32240, 36439, 44848, 56060, 72878, 86893, 112120, 145756, 173786, 182195, 224240, 291512, 347572, 364390, 434465, 583024, 695144, 728780, 868930, 1129609, 1390288, 1457560, 1737860, 2259218, 2915120, 3475720, 4518436, 5648045, 6951440, 9036872, 11296090, 18073744, 22592180, 45184360, 90368720]

約数ペア:

[(1, 90368720), (2, 45184360), (4, 22592180), (5, 18073744), (8, 11296090), (10, 9036872), (13, 6951440), (16, 5648045), (20, 4518436), (26, 3475720), (31, 2915120), (40, 2259218), (52, 1737860), (62, 1457560), (65, 1390288), (80, 1129609), (104, 868930), (124, 728780), (130, 695144), (155, 583024), (208, 434465), (248, 364390), (260, 347572), (310, 291512), (403, 224240), (496, 182195), (520, 173786), (620, 145756), (806, 112120), (1040, 86893), (1240, 72878), (1612, 56060), (2015, 44848), (2480, 36439), (2803, 32240), (3224, 28030), (4030, 22424), (5606, 16120), (6448, 14015), (8060, 11212)]