81350640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{16141}}^1$

素因数の和:16167

約数の個数: 120

約数和(自身を含む): 312250848

約数和(自身を除く): 230900208

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 16141, 32282, 48423, 64564, 80705, 96846, 112987, 129128, 145269, 161410, 193692, 225974, 242115, 258256, 290538, 322820, 338961, 387384, 451948, 484230, 564935, 581076, 645640, 677922, 726345, 774768, 903896, 968460, 1016883, 1129870, 1162152, 1291280, 1355844, 1452690, 1694805, 1807792, 1936920, 2033766, 2259740, 2324304, 2711688, 2905380, 3389610, 3873840, 4067532, 4519480, 5084415, 5423376, 5810760, 6779220, 8135064, 9038960, 10168830, 11621520, 13558440, 16270128, 20337660, 27116880, 40675320, 81350640]

約数ペア:

[(1, 81350640), (2, 40675320), (3, 27116880), (4, 20337660), (5, 16270128), (6, 13558440), (7, 11621520), (8, 10168830), (9, 9038960), (10, 8135064), (12, 6779220), (14, 5810760), (15, 5423376), (16, 5084415), (18, 4519480), (20, 4067532), (21, 3873840), (24, 3389610), (28, 2905380), (30, 2711688), (35, 2324304), (36, 2259740), (40, 2033766), (42, 1936920), (45, 1807792), (48, 1694805), (56, 1452690), (60, 1355844), (63, 1291280), (70, 1162152), (72, 1129870), (80, 1016883), (84, 968460), (90, 903896), (105, 774768), (112, 726345), (120, 677922), (126, 645640), (140, 581076), (144, 564935), (168, 484230), (180, 451948), (210, 387384), (240, 338961), (252, 322820), (280, 290538), (315, 258256), (336, 242115), (360, 225974), (420, 193692), (504, 161410), (560, 145269), (630, 129128), (720, 112987), (840, 96846), (1008, 80705), (1260, 64564), (1680, 48423), (2520, 32282), (5040, 16141)]