90292280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1951}}^1$

素因数の和:2064

約数の個数: 64

約数和(自身を含む): 221356800

約数和(自身を除く): 131064520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 1157, 1780, 1951, 2314, 3560, 3902, 4628, 5785, 7804, 9256, 9755, 11570, 15608, 19510, 23140, 25363, 39020, 46280, 50726, 78040, 101452, 126815, 173639, 202904, 253630, 347278, 507260, 694556, 868195, 1014520, 1389112, 1736390, 2257307, 3472780, 4514614, 6945560, 9029228, 11286535, 18058456, 22573070, 45146140, 90292280]

約数ペア:

[(1, 90292280), (2, 45146140), (4, 22573070), (5, 18058456), (8, 11286535), (10, 9029228), (13, 6945560), (20, 4514614), (26, 3472780), (40, 2257307), (52, 1736390), (65, 1389112), (89, 1014520), (104, 868195), (130, 694556), (178, 507260), (260, 347278), (356, 253630), (445, 202904), (520, 173639), (712, 126815), (890, 101452), (1157, 78040), (1780, 50726), (1951, 46280), (2314, 39020), (3560, 25363), (3902, 23140), (4628, 19510), (5785, 15608), (7804, 11570), (9256, 9755)]