19802640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{577}}^1$

素因数の和:617

約数の個数: 160

約数和(自身を含む): 72245376

約数和(自身を除く): 52442736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 16, 20, 22, 24, 26, 30, 33, 39, 40, 44, 48, 52, 55, 60, 65, 66, 78, 80, 88, 104, 110, 120, 130, 132, 143, 156, 165, 176, 195, 208, 220, 240, 260, 264, 286, 312, 330, 390, 429, 440, 520, 528, 572, 577, 624, 660, 715, 780, 858, 880, 1040, 1144, 1154, 1320, 1430, 1560, 1716, 1731, 2145, 2288, 2308, 2640, 2860, 2885, 3120, 3432, 3462, 4290, 4616, 5720, 5770, 6347, 6864, 6924, 7501, 8580, 8655, 9232, 11440, 11540, 12694, 13848, 15002, 17160, 17310, 19041, 22503, 23080, 25388, 27696, 30004, 31735, 34320, 34620, 37505, 38082, 45006, 46160, 50776, 60008, 63470, 69240, 75010, 76164, 82511, 90012, 95205, 101552, 112515, 120016, 126940, 138480, 150020, 152328, 165022, 180024, 190410, 225030, 247533, 253880, 300040, 304656, 330044, 360048, 380820, 412555, 450060, 495066, 507760, 600080, 660088, 761640, 825110, 900120, 990132, 1237665, 1320176, 1523280, 1650220, 1800240, 1980264, 2475330, 3300440, 3960528, 4950660, 6600880, 9901320, 19802640]

約数ペア:

[(1, 19802640), (2, 9901320), (3, 6600880), (4, 4950660), (5, 3960528), (6, 3300440), (8, 2475330), (10, 1980264), (11, 1800240), (12, 1650220), (13, 1523280), (15, 1320176), (16, 1237665), (20, 990132), (22, 900120), (24, 825110), (26, 761640), (30, 660088), (33, 600080), (39, 507760), (40, 495066), (44, 450060), (48, 412555), (52, 380820), (55, 360048), (60, 330044), (65, 304656), (66, 300040), (78, 253880), (80, 247533), (88, 225030), (104, 190410), (110, 180024), (120, 165022), (130, 152328), (132, 150020), (143, 138480), (156, 126940), (165, 120016), (176, 112515), (195, 101552), (208, 95205), (220, 90012), (240, 82511), (260, 76164), (264, 75010), (286, 69240), (312, 63470), (330, 60008), (390, 50776), (429, 46160), (440, 45006), (520, 38082), (528, 37505), (572, 34620), (577, 34320), (624, 31735), (660, 30004), (715, 27696), (780, 25388), (858, 23080), (880, 22503), (1040, 19041), (1144, 17310), (1154, 17160), (1320, 15002), (1430, 13848), (1560, 12694), (1716, 11540), (1731, 11440), (2145, 9232), (2288, 8655), (2308, 8580), (2640, 7501), (2860, 6924), (2885, 6864), (3120, 6347), (3432, 5770), (3462, 5720), (4290, 4616)]