69090320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2200

約数の個数: 80

約数和(自身を含む): 178655232

約数和(自身を除く): 109564912

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, 2143, 2480, 3224, 4030, 4286, 6448, 8060, 8572, 10715, 16120, 17144, 21430, 27859, 32240, 34288, 42860, 55718, 66433, 85720, 111436, 132866, 139295, 171440, 222872, 265732, 278590, 332165, 445744, 531464, 557180, 664330, 863629, 1062928, 1114360, 1328660, 1727258, 2228720, 2657320, 3454516, 4318145, 5314640, 6909032, 8636290, 13818064, 17272580, 34545160, 69090320]

約数ペア:

[(1, 69090320), (2, 34545160), (4, 17272580), (5, 13818064), (8, 8636290), (10, 6909032), (13, 5314640), (16, 4318145), (20, 3454516), (26, 2657320), (31, 2228720), (40, 1727258), (52, 1328660), (62, 1114360), (65, 1062928), (80, 863629), (104, 664330), (124, 557180), (130, 531464), (155, 445744), (208, 332165), (248, 278590), (260, 265732), (310, 222872), (403, 171440), (496, 139295), (520, 132866), (620, 111436), (806, 85720), (1040, 66433), (1240, 55718), (1612, 42860), (2015, 34288), (2143, 32240), (2480, 27859), (3224, 21430), (4030, 17144), (4286, 16120), (6448, 10715), (8060, 8572)]