255769840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{683}}^1$

素因数の和:878

約数の個数: 80

約数和(自身を含む): 618817536

約数和(自身を除く): 363047696

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 151, 155, 248, 302, 310, 496, 604, 620, 683, 755, 1208, 1240, 1366, 1510, 2416, 2480, 2732, 3020, 3415, 4681, 5464, 6040, 6830, 9362, 10928, 12080, 13660, 18724, 21173, 23405, 27320, 37448, 42346, 46810, 54640, 74896, 84692, 93620, 103133, 105865, 169384, 187240, 206266, 211730, 338768, 374480, 412532, 423460, 515665, 825064, 846920, 1031330, 1650128, 1693840, 2062660, 3197123, 4125320, 6394246, 8250640, 12788492, 15985615, 25576984, 31971230, 51153968, 63942460, 127884920, 255769840]

約数ペア:

[(1, 255769840), (2, 127884920), (4, 63942460), (5, 51153968), (8, 31971230), (10, 25576984), (16, 15985615), (20, 12788492), (31, 8250640), (40, 6394246), (62, 4125320), (80, 3197123), (124, 2062660), (151, 1693840), (155, 1650128), (248, 1031330), (302, 846920), (310, 825064), (496, 515665), (604, 423460), (620, 412532), (683, 374480), (755, 338768), (1208, 211730), (1240, 206266), (1366, 187240), (1510, 169384), (2416, 105865), (2480, 103133), (2732, 93620), (3020, 84692), (3415, 74896), (4681, 54640), (5464, 46810), (6040, 42346), (6830, 37448), (9362, 27320), (10928, 23405), (12080, 21173), (13660, 18724)]