42000640

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1$

素因数の和:208

約数の個数: 144

約数和(自身を含む): 116262720

約数和(自身を除く): 74262080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 32, 38, 40, 44, 55, 64, 76, 80, 88, 95, 110, 128, 152, 157, 160, 176, 190, 209, 220, 256, 304, 314, 320, 352, 380, 418, 440, 608, 628, 640, 704, 760, 785, 836, 880, 1045, 1216, 1256, 1280, 1408, 1520, 1570, 1672, 1727, 1760, 2090, 2432, 2512, 2816, 2983, 3040, 3140, 3344, 3454, 3520, 4180, 4864, 5024, 5966, 6080, 6280, 6688, 6908, 7040, 8360, 8635, 10048, 11932, 12160, 12560, 13376, 13816, 14080, 14915, 16720, 17270, 20096, 23864, 24320, 25120, 26752, 27632, 29830, 32813, 33440, 34540, 40192, 47728, 50240, 53504, 55264, 59660, 65626, 66880, 69080, 95456, 100480, 110528, 119320, 131252, 133760, 138160, 164065, 190912, 200960, 221056, 238640, 262504, 267520, 276320, 328130, 381824, 442112, 477280, 525008, 552640, 656260, 763648, 954560, 1050016, 1105280, 1312520, 1909120, 2100032, 2210560, 2625040, 3818240, 4200064, 5250080, 8400128, 10500160, 21000320, 42000640]

約数ペア:

[(1, 42000640), (2, 21000320), (4, 10500160), (5, 8400128), (8, 5250080), (10, 4200064), (11, 3818240), (16, 2625040), (19, 2210560), (20, 2100032), (22, 1909120), (32, 1312520), (38, 1105280), (40, 1050016), (44, 954560), (55, 763648), (64, 656260), (76, 552640), (80, 525008), (88, 477280), (95, 442112), (110, 381824), (128, 328130), (152, 276320), (157, 267520), (160, 262504), (176, 238640), (190, 221056), (209, 200960), (220, 190912), (256, 164065), (304, 138160), (314, 133760), (320, 131252), (352, 119320), (380, 110528), (418, 100480), (440, 95456), (608, 69080), (628, 66880), (640, 65626), (704, 59660), (760, 55264), (785, 53504), (836, 50240), (880, 47728), (1045, 40192), (1216, 34540), (1256, 33440), (1280, 32813), (1408, 29830), (1520, 27632), (1570, 26752), (1672, 25120), (1727, 24320), (1760, 23864), (2090, 20096), (2432, 17270), (2512, 16720), (2816, 14915), (2983, 14080), (3040, 13816), (3140, 13376), (3344, 12560), (3454, 12160), (3520, 11932), (4180, 10048), (4864, 8635), (5024, 8360), (5966, 7040), (6080, 6908), (6280, 6688)]