312478140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12923}}^1$

素因数の和:12979

約数の個数: 96

約数和(自身を含む): 972711936

約数和(自身を除く): 660233796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 12923, 24180, 25846, 38769, 51692, 64615, 77538, 129230, 155076, 167999, 193845, 258460, 335998, 387690, 400613, 503997, 671996, 775380, 801226, 839995, 1007994, 1201839, 1602452, 1679990, 2003065, 2015988, 2403678, 2519985, 3359980, 4006130, 4807356, 5039970, 5207969, 6009195, 8012260, 10079940, 10415938, 12018390, 15623907, 20831876, 24036780, 26039845, 31247814, 52079690, 62495628, 78119535, 104159380, 156239070, 312478140]

約数ペア:

[(1, 312478140), (2, 156239070), (3, 104159380), (4, 78119535), (5, 62495628), (6, 52079690), (10, 31247814), (12, 26039845), (13, 24036780), (15, 20831876), (20, 15623907), (26, 12018390), (30, 10415938), (31, 10079940), (39, 8012260), (52, 6009195), (60, 5207969), (62, 5039970), (65, 4807356), (78, 4006130), (93, 3359980), (124, 2519985), (130, 2403678), (155, 2015988), (156, 2003065), (186, 1679990), (195, 1602452), (260, 1201839), (310, 1007994), (372, 839995), (390, 801226), (403, 775380), (465, 671996), (620, 503997), (780, 400613), (806, 387690), (930, 335998), (1209, 258460), (1612, 193845), (1860, 167999), (2015, 155076), (2418, 129230), (4030, 77538), (4836, 64615), (6045, 51692), (8060, 38769), (12090, 25846), (12923, 24180)]