81854820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5227}}^1$

素因数の和:5274

約数の個数: 96

約数和(自身を含む): 263491200

約数和(自身を除く): 181636380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 108, 116, 135, 145, 174, 180, 261, 270, 290, 348, 435, 522, 540, 580, 783, 870, 1044, 1305, 1566, 1740, 2610, 3132, 3915, 5220, 5227, 7830, 10454, 15660, 15681, 20908, 26135, 31362, 47043, 52270, 62724, 78405, 94086, 104540, 141129, 151583, 156810, 188172, 235215, 282258, 303166, 313620, 454749, 470430, 564516, 606332, 705645, 757915, 909498, 940860, 1364247, 1411290, 1515830, 1818996, 2273745, 2728494, 2822580, 3031660, 4092741, 4547490, 5456988, 6821235, 8185482, 9094980, 13642470, 16370964, 20463705, 27284940, 40927410, 81854820]

約数ペア:

[(1, 81854820), (2, 40927410), (3, 27284940), (4, 20463705), (5, 16370964), (6, 13642470), (9, 9094980), (10, 8185482), (12, 6821235), (15, 5456988), (18, 4547490), (20, 4092741), (27, 3031660), (29, 2822580), (30, 2728494), (36, 2273745), (45, 1818996), (54, 1515830), (58, 1411290), (60, 1364247), (87, 940860), (90, 909498), (108, 757915), (116, 705645), (135, 606332), (145, 564516), (174, 470430), (180, 454749), (261, 313620), (270, 303166), (290, 282258), (348, 235215), (435, 188172), (522, 156810), (540, 151583), (580, 141129), (783, 104540), (870, 94086), (1044, 78405), (1305, 62724), (1566, 52270), (1740, 47043), (2610, 31362), (3132, 26135), (3915, 20908), (5220, 15681), (5227, 15660), (7830, 10454)]