78953420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:160

約数の個数: 144

約数和(自身を含む): 212502528

約数和(自身を除く): 133549108

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 47, 52, 65, 70, 71, 91, 94, 130, 140, 142, 169, 182, 188, 235, 260, 284, 329, 338, 355, 364, 455, 470, 497, 611, 658, 676, 710, 845, 910, 923, 940, 994, 1183, 1222, 1316, 1420, 1645, 1690, 1820, 1846, 1988, 2366, 2444, 2485, 3055, 3290, 3337, 3380, 3692, 4277, 4615, 4732, 4970, 5915, 6110, 6461, 6580, 6674, 7943, 8554, 9230, 9940, 11830, 11999, 12220, 12922, 13348, 15886, 16685, 17108, 18460, 21385, 23359, 23660, 23998, 25844, 31772, 32305, 33370, 39715, 42770, 43381, 46718, 47996, 55601, 59995, 64610, 66740, 79430, 83993, 85540, 86762, 93436, 111202, 116795, 119990, 129220, 158860, 167986, 173524, 216905, 222404, 233590, 239980, 278005, 303667, 335972, 419965, 433810, 467180, 556010, 563953, 607334, 839930, 867620, 1112020, 1127906, 1214668, 1518335, 1679860, 2255812, 2819765, 3036670, 3947671, 5639530, 6073340, 7895342, 11279060, 15790684, 19738355, 39476710, 78953420]

約数ペア:

[(1, 78953420), (2, 39476710), (4, 19738355), (5, 15790684), (7, 11279060), (10, 7895342), (13, 6073340), (14, 5639530), (20, 3947671), (26, 3036670), (28, 2819765), (35, 2255812), (47, 1679860), (52, 1518335), (65, 1214668), (70, 1127906), (71, 1112020), (91, 867620), (94, 839930), (130, 607334), (140, 563953), (142, 556010), (169, 467180), (182, 433810), (188, 419965), (235, 335972), (260, 303667), (284, 278005), (329, 239980), (338, 233590), (355, 222404), (364, 216905), (455, 173524), (470, 167986), (497, 158860), (611, 129220), (658, 119990), (676, 116795), (710, 111202), (845, 93436), (910, 86762), (923, 85540), (940, 83993), (994, 79430), (1183, 66740), (1222, 64610), (1316, 59995), (1420, 55601), (1645, 47996), (1690, 46718), (1820, 43381), (1846, 42770), (1988, 39715), (2366, 33370), (2444, 32305), (2485, 31772), (3055, 25844), (3290, 23998), (3337, 23660), (3380, 23359), (3692, 21385), (4277, 18460), (4615, 17108), (4732, 16685), (4970, 15886), (5915, 13348), (6110, 12922), (6461, 12220), (6580, 11999), (6674, 11830), (7943, 9940), (8554, 9230)]