215733840

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128413}}^1$

素因数の和:128436

約数の個数: 80

約数和(自身を含む): 764320128

約数和(自身を除く): 548586288

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, 128413, 256826, 385239, 513652, 642065, 770478, 898891, 1027304, 1284130, 1540956, 1797782, 1926195, 2054608, 2568260, 2696673, 3081912, 3595564, 3852390, 4494455, 5136520, 5393346, 6163824, 7191128, 7704780, 8988910, 10273040, 10786692, 13483365, 14382256, 15409560, 17977820, 21573384, 26966730, 30819120, 35955640, 43146768, 53933460, 71911280, 107866920, 215733840]

約数ペア:

[(1, 215733840), (2, 107866920), (3, 71911280), (4, 53933460), (5, 43146768), (6, 35955640), (7, 30819120), (8, 26966730), (10, 21573384), (12, 17977820), (14, 15409560), (15, 14382256), (16, 13483365), (20, 10786692), (21, 10273040), (24, 8988910), (28, 7704780), (30, 7191128), (35, 6163824), (40, 5393346), (42, 5136520), (48, 4494455), (56, 3852390), (60, 3595564), (70, 3081912), (80, 2696673), (84, 2568260), (105, 2054608), (112, 1926195), (120, 1797782), (140, 1540956), (168, 1284130), (210, 1027304), (240, 898891), (280, 770478), (336, 642065), (420, 513652), (560, 385239), (840, 256826), (1680, 128413)]