120991920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{72019}}^1$

素因数の和:72042

約数の個数: 80

約数和(自身を含む): 428663040

約数和(自身を除く): 307671120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 72019, 144038, 216057, 288076, 360095, 432114, 504133, 576152, 720190, 864228, 1008266, 1080285, 1152304, 1440380, 1512399, 1728456, 2016532, 2160570, 2520665, 2880760, 3024798, 3456912, 4033064, 4321140, 5041330, 5761520, 6049596, 7561995, 8066128, 8642280, 10082660, 12099192, 15123990, 17284560, 20165320, 24198384, 30247980, 40330640, 60495960, 120991920]

約数ペア:

[(1, 120991920), (2, 60495960), (3, 40330640), (4, 30247980), (5, 24198384), (6, 20165320), (7, 17284560), (8, 15123990), (10, 12099192), (12, 10082660), (14, 8642280), (15, 8066128), (16, 7561995), (20, 6049596), (21, 5761520), (24, 5041330), (28, 4321140), (30, 4033064), (35, 3456912), (40, 3024798), (42, 2880760), (48, 2520665), (56, 2160570), (60, 2016532), (70, 1728456), (80, 1512399), (84, 1440380), (105, 1152304), (112, 1080285), (120, 1008266), (140, 864228), (168, 720190), (210, 576152), (240, 504133), (280, 432114), (336, 360095), (420, 288076), (560, 216057), (840, 144038), (1680, 72019)]