1405127640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1672771}}^1$

素因数の和:1672792

約数の個数: 64

約数和(自身を含む): 4817583360

約数和(自身を除く): 3412455720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1672771, 3345542, 5018313, 6691084, 8363855, 10036626, 11709397, 13382168, 16727710, 20073252, 23418794, 25091565, 33455420, 35128191, 40146504, 46837588, 50183130, 58546985, 66910840, 70256382, 93675176, 100366260, 117093970, 140512764, 175640955, 200732520, 234187940, 281025528, 351281910, 468375880, 702563820, 1405127640]

約数ペア:

[(1, 1405127640), (2, 702563820), (3, 468375880), (4, 351281910), (5, 281025528), (6, 234187940), (7, 200732520), (8, 175640955), (10, 140512764), (12, 117093970), (14, 100366260), (15, 93675176), (20, 70256382), (21, 66910840), (24, 58546985), (28, 50183130), (30, 46837588), (35, 40146504), (40, 35128191), (42, 33455420), (56, 25091565), (60, 23418794), (70, 20073252), (84, 16727710), (105, 13382168), (120, 11709397), (140, 10036626), (168, 8363855), (210, 6691084), (280, 5018313), (420, 3345542), (840, 1672771)]