90175280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2797}}^1$

素因数の和:2854

約数の個数: 80

約数和(自身を含む): 233151744

約数和(自身を除く): 142976464

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, 2797, 3224, 4030, 5594, 6448, 8060, 11188, 13985, 16120, 22376, 27970, 32240, 36361, 44752, 55940, 72722, 86707, 111880, 145444, 173414, 181805, 223760, 290888, 346828, 363610, 433535, 581776, 693656, 727220, 867070, 1127191, 1387312, 1454440, 1734140, 2254382, 2908880, 3468280, 4508764, 5635955, 6936560, 9017528, 11271910, 18035056, 22543820, 45087640, 90175280]

約数ペア:

[(1, 90175280), (2, 45087640), (4, 22543820), (5, 18035056), (8, 11271910), (10, 9017528), (13, 6936560), (16, 5635955), (20, 4508764), (26, 3468280), (31, 2908880), (40, 2254382), (52, 1734140), (62, 1454440), (65, 1387312), (80, 1127191), (104, 867070), (124, 727220), (130, 693656), (155, 581776), (208, 433535), (248, 363610), (260, 346828), (310, 290888), (403, 223760), (496, 181805), (520, 173414), (620, 145444), (806, 111880), (1040, 86707), (1240, 72722), (1612, 55940), (2015, 44752), (2480, 36361), (2797, 32240), (3224, 27970), (4030, 22376), (5594, 16120), (6448, 13985), (8060, 11188)]