2721157740

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{79987}}^1$

素因数の和:80018

約数の個数: 144

約数和(自身を含む): 9782852352

約数和(自身を除く): 7061694612

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 378, 405, 420, 486, 540, 567, 630, 756, 810, 945, 972, 1134, 1215, 1260, 1620, 1701, 1890, 2268, 2430, 2835, 3402, 3780, 4860, 5670, 6804, 8505, 11340, 17010, 34020, 79987, 159974, 239961, 319948, 399935, 479922, 559909, 719883, 799870, 959844, 1119818, 1199805, 1439766, 1599740, 1679727, 2159649, 2239636, 2399610, 2799545, 2879532, 3359454, 3599415, 4319298, 4799220, 5039181, 5599090, 6478947, 6718908, 7198830, 8398635, 8638596, 10078362, 10798245, 11198180, 12957894, 14397660, 15117543, 16797270, 19436841, 20156724, 21596490, 25195905, 25915788, 30235086, 32394735, 33594540, 38873682, 43192980, 45352629, 50391810, 60470172, 64789470, 75587715, 77747364, 90705258, 97184205, 100783620, 129578940, 136057887, 151175430, 181410516, 194368410, 226763145, 272115774, 302350860, 388736820, 453526290, 544231548, 680289435, 907052580, 1360578870, 2721157740]

約数ペア:

[(1, 2721157740), (2, 1360578870), (3, 907052580), (4, 680289435), (5, 544231548), (6, 453526290), (7, 388736820), (9, 302350860), (10, 272115774), (12, 226763145), (14, 194368410), (15, 181410516), (18, 151175430), (20, 136057887), (21, 129578940), (27, 100783620), (28, 97184205), (30, 90705258), (35, 77747364), (36, 75587715), (42, 64789470), (45, 60470172), (54, 50391810), (60, 45352629), (63, 43192980), (70, 38873682), (81, 33594540), (84, 32394735), (90, 30235086), (105, 25915788), (108, 25195905), (126, 21596490), (135, 20156724), (140, 19436841), (162, 16797270), (180, 15117543), (189, 14397660), (210, 12957894), (243, 11198180), (252, 10798245), (270, 10078362), (315, 8638596), (324, 8398635), (378, 7198830), (405, 6718908), (420, 6478947), (486, 5599090), (540, 5039181), (567, 4799220), (630, 4319298), (756, 3599415), (810, 3359454), (945, 2879532), (972, 2799545), (1134, 2399610), (1215, 2239636), (1260, 2159649), (1620, 1679727), (1701, 1599740), (1890, 1439766), (2268, 1199805), (2430, 1119818), (2835, 959844), (3402, 799870), (3780, 719883), (4860, 559909), (5670, 479922), (6804, 399935), (8505, 319948), (11340, 239961), (17010, 159974), (34020, 79987)]