534879280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{613}}^1\times {\mathrm{839}}^1$

素因数の和:1478

約数の個数: 80

約数和(自身を含む): 1343039040

約数和(自身を除く): 808159760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 613, 839, 1040, 1226, 1678, 2452, 3065, 3356, 4195, 4904, 6130, 6712, 7969, 8390, 9808, 10907, 12260, 13424, 15938, 16780, 21814, 24520, 31876, 33560, 39845, 43628, 49040, 54535, 63752, 67120, 79690, 87256, 109070, 127504, 159380, 174512, 218140, 318760, 436280, 514307, 637520, 872560, 1028614, 2057228, 2571535, 4114456, 5143070, 6685991, 8228912, 10286140, 13371982, 20572280, 26743964, 33429955, 41144560, 53487928, 66859910, 106975856, 133719820, 267439640, 534879280]

約数ペア:

[(1, 534879280), (2, 267439640), (4, 133719820), (5, 106975856), (8, 66859910), (10, 53487928), (13, 41144560), (16, 33429955), (20, 26743964), (26, 20572280), (40, 13371982), (52, 10286140), (65, 8228912), (80, 6685991), (104, 5143070), (130, 4114456), (208, 2571535), (260, 2057228), (520, 1028614), (613, 872560), (839, 637520), (1040, 514307), (1226, 436280), (1678, 318760), (2452, 218140), (3065, 174512), (3356, 159380), (4195, 127504), (4904, 109070), (6130, 87256), (6712, 79690), (7969, 67120), (8390, 63752), (9808, 54535), (10907, 49040), (12260, 43628), (13424, 39845), (15938, 33560), (16780, 31876), (21814, 24520)]