139795240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 355622400

約数和(自身を除く): 215827160

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 79, 82, 83, 104, 130, 158, 164, 166, 205, 260, 316, 328, 332, 395, 410, 415, 520, 533, 632, 664, 790, 820, 830, 1027, 1066, 1079, 1580, 1640, 1660, 2054, 2132, 2158, 2665, 3160, 3239, 3320, 3403, 4108, 4264, 4316, 5135, 5330, 5395, 6478, 6557, 6806, 8216, 8632, 10270, 10660, 10790, 12956, 13114, 13612, 16195, 17015, 20540, 21320, 21580, 25912, 26228, 27224, 32390, 32785, 34030, 41080, 42107, 43160, 44239, 52456, 64780, 65570, 68060, 84214, 85241, 88478, 129560, 131140, 136120, 168428, 170482, 176956, 210535, 221195, 262280, 268837, 336856, 340964, 353912, 421070, 426205, 442390, 537674, 681928, 842140, 852410, 884780, 1075348, 1344185, 1684280, 1704820, 1769560, 2150696, 2688370, 3409640, 3494881, 5376740, 6989762, 10753480, 13979524, 17474405, 27959048, 34948810, 69897620, 139795240]

約数ペア:

[(1, 139795240), (2, 69897620), (4, 34948810), (5, 27959048), (8, 17474405), (10, 13979524), (13, 10753480), (20, 6989762), (26, 5376740), (40, 3494881), (41, 3409640), (52, 2688370), (65, 2150696), (79, 1769560), (82, 1704820), (83, 1684280), (104, 1344185), (130, 1075348), (158, 884780), (164, 852410), (166, 842140), (205, 681928), (260, 537674), (316, 442390), (328, 426205), (332, 421070), (395, 353912), (410, 340964), (415, 336856), (520, 268837), (533, 262280), (632, 221195), (664, 210535), (790, 176956), (820, 170482), (830, 168428), (1027, 136120), (1066, 131140), (1079, 129560), (1580, 88478), (1640, 85241), (1660, 84214), (2054, 68060), (2132, 65570), (2158, 64780), (2665, 52456), (3160, 44239), (3239, 43160), (3320, 42107), (3403, 41080), (4108, 34030), (4264, 32785), (4316, 32390), (5135, 27224), (5330, 26228), (5395, 25912), (6478, 21580), (6557, 21320), (6806, 20540), (8216, 17015), (8632, 16195), (10270, 13612), (10660, 13114), (10790, 12956)]