176890480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2258

約数の個数: 80

約数和(自身を含む): 448721280

約数和(自身を除く): 271830800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 1027, 1040, 1264, 1580, 2054, 2153, 3160, 4108, 4306, 5135, 6320, 8216, 8612, 10270, 10765, 16432, 17224, 20540, 21530, 27989, 34448, 41080, 43060, 55978, 82160, 86120, 111956, 139945, 170087, 172240, 223912, 279890, 340174, 447824, 559780, 680348, 850435, 1119560, 1360696, 1700870, 2211131, 2239120, 2721392, 3401740, 4422262, 6803480, 8844524, 11055655, 13606960, 17689048, 22111310, 35378096, 44222620, 88445240, 176890480]

約数ペア:

[(1, 176890480), (2, 88445240), (4, 44222620), (5, 35378096), (8, 22111310), (10, 17689048), (13, 13606960), (16, 11055655), (20, 8844524), (26, 6803480), (40, 4422262), (52, 3401740), (65, 2721392), (79, 2239120), (80, 2211131), (104, 1700870), (130, 1360696), (158, 1119560), (208, 850435), (260, 680348), (316, 559780), (395, 447824), (520, 340174), (632, 279890), (790, 223912), (1027, 172240), (1040, 170087), (1264, 139945), (1580, 111956), (2054, 86120), (2153, 82160), (3160, 55978), (4108, 43060), (4306, 41080), (5135, 34448), (6320, 27989), (8216, 21530), (8612, 20540), (10270, 17224), (10765, 16432)]