87891960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{547}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 287239680

約数和(自身を除く): 199347720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 103, 104, 120, 130, 156, 195, 206, 260, 309, 312, 390, 412, 515, 520, 547, 618, 780, 824, 1030, 1094, 1236, 1339, 1545, 1560, 1641, 2060, 2188, 2472, 2678, 2735, 3090, 3282, 4017, 4120, 4376, 5356, 5470, 6180, 6564, 6695, 7111, 8034, 8205, 10712, 10940, 12360, 13128, 13390, 14222, 16068, 16410, 20085, 21333, 21880, 26780, 28444, 32136, 32820, 35555, 40170, 42666, 53560, 56341, 56888, 65640, 71110, 80340, 85332, 106665, 112682, 142220, 160680, 169023, 170664, 213330, 225364, 281705, 284440, 338046, 426660, 450728, 563410, 676092, 732433, 845115, 853320, 1126820, 1352184, 1464866, 1690230, 2197299, 2253640, 2929732, 3380460, 3662165, 4394598, 5859464, 6760920, 7324330, 8789196, 10986495, 14648660, 17578392, 21972990, 29297320, 43945980, 87891960]

約数ペア:

[(1, 87891960), (2, 43945980), (3, 29297320), (4, 21972990), (5, 17578392), (6, 14648660), (8, 10986495), (10, 8789196), (12, 7324330), (13, 6760920), (15, 5859464), (20, 4394598), (24, 3662165), (26, 3380460), (30, 2929732), (39, 2253640), (40, 2197299), (52, 1690230), (60, 1464866), (65, 1352184), (78, 1126820), (103, 853320), (104, 845115), (120, 732433), (130, 676092), (156, 563410), (195, 450728), (206, 426660), (260, 338046), (309, 284440), (312, 281705), (390, 225364), (412, 213330), (515, 170664), (520, 169023), (547, 160680), (618, 142220), (780, 112682), (824, 106665), (1030, 85332), (1094, 80340), (1236, 71110), (1339, 65640), (1545, 56888), (1560, 56341), (1641, 53560), (2060, 42666), (2188, 40170), (2472, 35555), (2678, 32820), (2735, 32136), (3090, 28444), (3282, 26780), (4017, 21880), (4120, 21333), (4376, 20085), (5356, 16410), (5470, 16068), (6180, 14222), (6564, 13390), (6695, 13128), (7111, 12360), (8034, 10940), (8205, 10712)]