1917882720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{102451}}^1$

素因数の和:102485

約数の個数: 144

約数和(自身を含む): 7048287792

約数和(自身を除く): 5130405072

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3744, 4680, 6240, 9360, 18720, 102451, 204902, 307353, 409804, 512255, 614706, 819608, 922059, 1024510, 1229412, 1331863, 1536765, 1639216, 1844118, 2049020, 2458824, 2663726, 3073530, 3278432, 3688236, 3995589, 4098040, 4610295, 4917648, 5327452, 6147060, 6659315, 7376472, 7991178, 8196080, 9220590, 9835296, 10654904, 11986767, 12294120, 13318630, 14752944, 15982356, 16392160, 18441180, 19977945, 21309808, 23973534, 24588240, 26637260, 29505888, 31964712, 36882360, 39955890, 42619616, 47947068, 49176480, 53274520, 59933835, 63929424, 73764720, 79911780, 95894136, 106549040, 119867670, 127858848, 147529440, 159823560, 191788272, 213098080, 239735340, 319647120, 383576544, 479470680, 639294240, 958941360, 1917882720]

約数ペア:

[(1, 1917882720), (2, 958941360), (3, 639294240), (4, 479470680), (5, 383576544), (6, 319647120), (8, 239735340), (9, 213098080), (10, 191788272), (12, 159823560), (13, 147529440), (15, 127858848), (16, 119867670), (18, 106549040), (20, 95894136), (24, 79911780), (26, 73764720), (30, 63929424), (32, 59933835), (36, 53274520), (39, 49176480), (40, 47947068), (45, 42619616), (48, 39955890), (52, 36882360), (60, 31964712), (65, 29505888), (72, 26637260), (78, 24588240), (80, 23973534), (90, 21309808), (96, 19977945), (104, 18441180), (117, 16392160), (120, 15982356), (130, 14752944), (144, 13318630), (156, 12294120), (160, 11986767), (180, 10654904), (195, 9835296), (208, 9220590), (234, 8196080), (240, 7991178), (260, 7376472), (288, 6659315), (312, 6147060), (360, 5327452), (390, 4917648), (416, 4610295), (468, 4098040), (480, 3995589), (520, 3688236), (585, 3278432), (624, 3073530), (720, 2663726), (780, 2458824), (936, 2049020), (1040, 1844118), (1170, 1639216), (1248, 1536765), (1440, 1331863), (1560, 1229412), (1872, 1024510), (2080, 922059), (2340, 819608), (3120, 614706), (3744, 512255), (4680, 409804), (6240, 307353), (9360, 204902), (18720, 102451)]