1979519880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{40933}}^1$

素因数の和:40991

約数の個数: 128

約数和(自身を含む): 6601835520

約数和(自身を除く): 4622315640

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, 6045, 8060, 9672, 12090, 16120, 24180, 40933, 48360, 81866, 122799, 163732, 204665, 245598, 327464, 409330, 491196, 532129, 613995, 818660, 982392, 1064258, 1227990, 1268923, 1596387, 1637320, 2128516, 2455980, 2537846, 2660645, 3192774, 3806769, 4257032, 4911960, 5075692, 5321290, 6344615, 6385548, 7613538, 7981935, 10151384, 10642580, 12689230, 12771096, 15227076, 15963870, 16495999, 19033845, 21285160, 25378460, 30454152, 31927740, 32991998, 38067690, 49487997, 50756920, 63855480, 65983996, 76135380, 82479995, 98975994, 131967992, 152270760, 164959990, 197951988, 247439985, 329919980, 395903976, 494879970, 659839960, 989759940, 1979519880]

約数ペア:

[(1, 1979519880), (2, 989759940), (3, 659839960), (4, 494879970), (5, 395903976), (6, 329919980), (8, 247439985), (10, 197951988), (12, 164959990), (13, 152270760), (15, 131967992), (20, 98975994), (24, 82479995), (26, 76135380), (30, 65983996), (31, 63855480), (39, 50756920), (40, 49487997), (52, 38067690), (60, 32991998), (62, 31927740), (65, 30454152), (78, 25378460), (93, 21285160), (104, 19033845), (120, 16495999), (124, 15963870), (130, 15227076), (155, 12771096), (156, 12689230), (186, 10642580), (195, 10151384), (248, 7981935), (260, 7613538), (310, 6385548), (312, 6344615), (372, 5321290), (390, 5075692), (403, 4911960), (465, 4257032), (520, 3806769), (620, 3192774), (744, 2660645), (780, 2537846), (806, 2455980), (930, 2128516), (1209, 1637320), (1240, 1596387), (1560, 1268923), (1612, 1227990), (1860, 1064258), (2015, 982392), (2418, 818660), (3224, 613995), (3720, 532129), (4030, 491196), (4836, 409330), (6045, 327464), (8060, 245598), (9672, 204665), (12090, 163732), (16120, 122799), (24180, 81866), (40933, 48360)]