260515320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5387}}^1$

素因数の和:5445

約数の個数: 128

約数和(自身を含む): 868976640

約数和(自身を除く): 608461320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1560, 1612, 1860, 2015, 2418, 3224, 3720, 4030, 4836, 5387, 6045, 8060, 9672, 10774, 12090, 16120, 16161, 21548, 24180, 26935, 32322, 43096, 48360, 53870, 64644, 70031, 80805, 107740, 129288, 140062, 161610, 166997, 210093, 215480, 280124, 323220, 333994, 350155, 420186, 500991, 560248, 646440, 667988, 700310, 834985, 840372, 1001982, 1050465, 1335976, 1400620, 1669970, 1680744, 2003964, 2100930, 2170961, 2504955, 2801240, 3339940, 4007928, 4201860, 4341922, 5009910, 6512883, 6679880, 8403720, 8683844, 10019820, 10854805, 13025766, 17367688, 20039640, 21709610, 26051532, 32564415, 43419220, 52103064, 65128830, 86838440, 130257660, 260515320]

約数ペア:

[(1, 260515320), (2, 130257660), (3, 86838440), (4, 65128830), (5, 52103064), (6, 43419220), (8, 32564415), (10, 26051532), (12, 21709610), (13, 20039640), (15, 17367688), (20, 13025766), (24, 10854805), (26, 10019820), (30, 8683844), (31, 8403720), (39, 6679880), (40, 6512883), (52, 5009910), (60, 4341922), (62, 4201860), (65, 4007928), (78, 3339940), (93, 2801240), (104, 2504955), (120, 2170961), (124, 2100930), (130, 2003964), (155, 1680744), (156, 1669970), (186, 1400620), (195, 1335976), (248, 1050465), (260, 1001982), (310, 840372), (312, 834985), (372, 700310), (390, 667988), (403, 646440), (465, 560248), (520, 500991), (620, 420186), (744, 350155), (780, 333994), (806, 323220), (930, 280124), (1209, 215480), (1240, 210093), (1560, 166997), (1612, 161610), (1860, 140062), (2015, 129288), (2418, 107740), (3224, 80805), (3720, 70031), (4030, 64644), (4836, 53870), (5387, 48360), (6045, 43096), (8060, 32322), (9672, 26935), (10774, 24180), (12090, 21548), (16120, 16161)]