205663920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:424

約数の個数: 320

約数和(自身を含む): 822804480

約数和(自身を除く): 617140560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 31, 33, 35, 40, 42, 44, 48, 55, 56, 60, 62, 66, 70, 77, 80, 84, 88, 93, 105, 110, 112, 120, 124, 132, 140, 154, 155, 165, 168, 176, 186, 210, 217, 220, 231, 240, 248, 264, 280, 308, 310, 330, 336, 341, 359, 372, 385, 420, 434, 440, 462, 465, 496, 528, 560, 616, 620, 651, 660, 682, 718, 744, 770, 840, 868, 880, 924, 930, 1023, 1077, 1085, 1155, 1232, 1240, 1302, 1320, 1364, 1436, 1488, 1540, 1680, 1705, 1736, 1795, 1848, 1860, 2046, 2154, 2170, 2310, 2387, 2480, 2513, 2604, 2640, 2728, 2872, 3080, 3255, 3410, 3472, 3590, 3696, 3720, 3949, 4092, 4308, 4340, 4620, 4774, 5026, 5115, 5208, 5385, 5456, 5744, 6160, 6510, 6820, 7161, 7180, 7440, 7539, 7898, 8184, 8616, 8680, 9240, 9548, 10052, 10230, 10416, 10770, 11129, 11847, 11935, 12565, 13020, 13640, 14322, 14360, 15078, 15796, 16368, 17232, 17360, 18480, 19096, 19745, 20104, 20460, 21540, 22258, 23694, 23870, 25130, 26040, 27280, 27643, 28644, 28720, 30156, 31592, 33387, 35805, 37695, 38192, 39490, 40208, 40920, 43080, 44516, 47388, 47740, 50260, 52080, 55286, 55645, 57288, 59235, 60312, 63184, 66774, 71610, 75390, 77903, 78980, 81840, 82929, 86160, 89032, 94776, 95480, 100520, 110572, 111290, 114576, 118470, 120624, 122419, 133548, 138215, 143220, 150780, 155806, 157960, 165858, 166935, 178064, 189552, 190960, 201040, 221144, 222580, 233709, 236940, 244838, 267096, 276430, 286440, 301560, 311612, 315920, 331716, 333870, 367257, 389515, 414645, 442288, 445160, 467418, 473880, 489676, 534192, 552860, 572880, 603120, 612095, 623224, 663432, 667740, 734514, 779030, 829290, 856933, 890320, 934836, 947760, 979352, 1105720, 1168545, 1224190, 1246448, 1326864, 1335480, 1469028, 1558060, 1658580, 1713866, 1836285, 1869672, 1958704, 2211440, 2337090, 2448380, 2570799, 2670960, 2938056, 3116120, 3317160, 3427732, 3672570, 3739344, 4284665, 4674180, 4896760, 5141598, 5876112, 6232240, 6634320, 6855464, 7345140, 8569330, 9348360, 9793520, 10283196, 12853995, 13710928, 14690280, 17138660, 18696720, 20566392, 25707990, 29380560, 34277320, 41132784, 51415980, 68554640, 102831960, 205663920]

約数ペア:

[(1, 205663920), (2, 102831960), (3, 68554640), (4, 51415980), (5, 41132784), (6, 34277320), (7, 29380560), (8, 25707990), (10, 20566392), (11, 18696720), (12, 17138660), (14, 14690280), (15, 13710928), (16, 12853995), (20, 10283196), (21, 9793520), (22, 9348360), (24, 8569330), (28, 7345140), (30, 6855464), (31, 6634320), (33, 6232240), (35, 5876112), (40, 5141598), (42, 4896760), (44, 4674180), (48, 4284665), (55, 3739344), (56, 3672570), (60, 3427732), (62, 3317160), (66, 3116120), (70, 2938056), (77, 2670960), (80, 2570799), (84, 2448380), (88, 2337090), (93, 2211440), (105, 1958704), (110, 1869672), (112, 1836285), (120, 1713866), (124, 1658580), (132, 1558060), (140, 1469028), (154, 1335480), (155, 1326864), (165, 1246448), (168, 1224190), (176, 1168545), (186, 1105720), (210, 979352), (217, 947760), (220, 934836), (231, 890320), (240, 856933), (248, 829290), (264, 779030), (280, 734514), (308, 667740), (310, 663432), (330, 623224), (336, 612095), (341, 603120), (359, 572880), (372, 552860), (385, 534192), (420, 489676), (434, 473880), (440, 467418), (462, 445160), (465, 442288), (496, 414645), (528, 389515), (560, 367257), (616, 333870), (620, 331716), (651, 315920), (660, 311612), (682, 301560), (718, 286440), (744, 276430), (770, 267096), (840, 244838), (868, 236940), (880, 233709), (924, 222580), (930, 221144), (1023, 201040), (1077, 190960), (1085, 189552), (1155, 178064), (1232, 166935), (1240, 165858), (1302, 157960), (1320, 155806), (1364, 150780), (1436, 143220), (1488, 138215), (1540, 133548), (1680, 122419), (1705, 120624), (1736, 118470), (1795, 114576), (1848, 111290), (1860, 110572), (2046, 100520), (2154, 95480), (2170, 94776), (2310, 89032), (2387, 86160), (2480, 82929), (2513, 81840), (2604, 78980), (2640, 77903), (2728, 75390), (2872, 71610), (3080, 66774), (3255, 63184), (3410, 60312), (3472, 59235), (3590, 57288), (3696, 55645), (3720, 55286), (3949, 52080), (4092, 50260), (4308, 47740), (4340, 47388), (4620, 44516), (4774, 43080), (5026, 40920), (5115, 40208), (5208, 39490), (5385, 38192), (5456, 37695), (5744, 35805), (6160, 33387), (6510, 31592), (6820, 30156), (7161, 28720), (7180, 28644), (7440, 27643), (7539, 27280), (7898, 26040), (8184, 25130), (8616, 23870), (8680, 23694), (9240, 22258), (9548, 21540), (10052, 20460), (10230, 20104), (10416, 19745), (10770, 19096), (11129, 18480), (11847, 17360), (11935, 17232), (12565, 16368), (13020, 15796), (13640, 15078), (14322, 14360)]