90020040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1451}}^1$

素因数の和:1523

約数の個数: 128

約数和(自身を含む): 301086720

約数和(自身を除く): 211066680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1451, 1551, 1880, 2068, 2585, 2820, 2902, 3102, 4136, 4353, 5170, 5640, 5804, 6204, 7255, 7755, 8706, 10340, 11608, 12408, 14510, 15510, 15961, 17412, 20680, 21765, 29020, 31020, 31922, 34824, 43530, 47883, 58040, 62040, 63844, 68197, 79805, 87060, 95766, 127688, 136394, 159610, 174120, 191532, 204591, 239415, 272788, 319220, 340985, 383064, 409182, 478830, 545576, 638440, 681970, 750167, 818364, 957660, 1022955, 1363940, 1500334, 1636728, 1915320, 2045910, 2250501, 2727880, 3000668, 3750835, 4091820, 4501002, 6001336, 7501670, 8183640, 9002004, 11252505, 15003340, 18004008, 22505010, 30006680, 45010020, 90020040]

約数ペア:

[(1, 90020040), (2, 45010020), (3, 30006680), (4, 22505010), (5, 18004008), (6, 15003340), (8, 11252505), (10, 9002004), (11, 8183640), (12, 7501670), (15, 6001336), (20, 4501002), (22, 4091820), (24, 3750835), (30, 3000668), (33, 2727880), (40, 2250501), (44, 2045910), (47, 1915320), (55, 1636728), (60, 1500334), (66, 1363940), (88, 1022955), (94, 957660), (110, 818364), (120, 750167), (132, 681970), (141, 638440), (165, 545576), (188, 478830), (220, 409182), (235, 383064), (264, 340985), (282, 319220), (330, 272788), (376, 239415), (440, 204591), (470, 191532), (517, 174120), (564, 159610), (660, 136394), (705, 127688), (940, 95766), (1034, 87060), (1128, 79805), (1320, 68197), (1410, 63844), (1451, 62040), (1551, 58040), (1880, 47883), (2068, 43530), (2585, 34824), (2820, 31922), (2902, 31020), (3102, 29020), (4136, 21765), (4353, 20680), (5170, 17412), (5640, 15961), (5804, 15510), (6204, 14510), (7255, 12408), (7755, 11608), (8706, 10340)]