205723440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1$

素因数の和:772

約数の個数: 240

約数和(自身を含む): 769117440

約数和(自身を除く): 563394000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 104, 117, 120, 124, 130, 144, 155, 156, 180, 186, 195, 208, 234, 240, 248, 260, 279, 310, 312, 360, 372, 390, 403, 465, 468, 496, 520, 558, 585, 620, 624, 709, 720, 744, 780, 806, 930, 936, 1040, 1116, 1170, 1209, 1240, 1395, 1418, 1488, 1560, 1612, 1860, 1872, 2015, 2127, 2232, 2340, 2418, 2480, 2790, 2836, 3120, 3224, 3545, 3627, 3720, 4030, 4254, 4464, 4680, 4836, 5580, 5672, 6045, 6381, 6448, 7090, 7254, 7440, 8060, 8508, 9217, 9360, 9672, 10635, 11160, 11344, 12090, 12762, 14180, 14508, 16120, 17016, 18135, 18434, 19344, 21270, 21979, 22320, 24180, 25524, 27651, 28360, 29016, 31905, 32240, 34032, 36270, 36868, 42540, 43958, 46085, 48360, 51048, 55302, 56720, 58032, 63810, 65937, 72540, 73736, 82953, 85080, 87916, 92170, 96720, 102096, 109895, 110604, 127620, 131874, 138255, 145080, 147472, 165906, 170160, 175832, 184340, 197811, 219790, 221208, 255240, 263748, 276510, 285727, 290160, 329685, 331812, 351664, 368680, 395622, 414765, 439580, 442416, 510480, 527496, 553020, 571454, 659370, 663624, 737360, 791244, 829530, 857181, 879160, 989055, 1054992, 1106040, 1142908, 1318740, 1327248, 1428635, 1582488, 1659060, 1714362, 1758320, 1978110, 2212080, 2285816, 2571543, 2637480, 2857270, 3164976, 3318120, 3428724, 3956220, 4285905, 4571632, 5143086, 5274960, 5714540, 6636240, 6857448, 7912440, 8571810, 10286172, 11429080, 12857715, 13714896, 15824880, 17143620, 20572344, 22858160, 25715430, 34287240, 41144688, 51430860, 68574480, 102861720, 205723440]

約数ペア:

[(1, 205723440), (2, 102861720), (3, 68574480), (4, 51430860), (5, 41144688), (6, 34287240), (8, 25715430), (9, 22858160), (10, 20572344), (12, 17143620), (13, 15824880), (15, 13714896), (16, 12857715), (18, 11429080), (20, 10286172), (24, 8571810), (26, 7912440), (30, 6857448), (31, 6636240), (36, 5714540), (39, 5274960), (40, 5143086), (45, 4571632), (48, 4285905), (52, 3956220), (60, 3428724), (62, 3318120), (65, 3164976), (72, 2857270), (78, 2637480), (80, 2571543), (90, 2285816), (93, 2212080), (104, 1978110), (117, 1758320), (120, 1714362), (124, 1659060), (130, 1582488), (144, 1428635), (155, 1327248), (156, 1318740), (180, 1142908), (186, 1106040), (195, 1054992), (208, 989055), (234, 879160), (240, 857181), (248, 829530), (260, 791244), (279, 737360), (310, 663624), (312, 659370), (360, 571454), (372, 553020), (390, 527496), (403, 510480), (465, 442416), (468, 439580), (496, 414765), (520, 395622), (558, 368680), (585, 351664), (620, 331812), (624, 329685), (709, 290160), (720, 285727), (744, 276510), (780, 263748), (806, 255240), (930, 221208), (936, 219790), (1040, 197811), (1116, 184340), (1170, 175832), (1209, 170160), (1240, 165906), (1395, 147472), (1418, 145080), (1488, 138255), (1560, 131874), (1612, 127620), (1860, 110604), (1872, 109895), (2015, 102096), (2127, 96720), (2232, 92170), (2340, 87916), (2418, 85080), (2480, 82953), (2790, 73736), (2836, 72540), (3120, 65937), (3224, 63810), (3545, 58032), (3627, 56720), (3720, 55302), (4030, 51048), (4254, 48360), (4464, 46085), (4680, 43958), (4836, 42540), (5580, 36868), (5672, 36270), (6045, 34032), (6381, 32240), (6448, 31905), (7090, 29016), (7254, 28360), (7440, 27651), (8060, 25524), (8508, 24180), (9217, 22320), (9360, 21979), (9672, 21270), (10635, 19344), (11160, 18434), (11344, 18135), (12090, 17016), (12762, 16120), (14180, 14508)]