320445720

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:300

約数の個数: 320

約数和(自身を含む): 1254528000

約数和(自身を除く): 934082280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 142, 162, 168, 180, 189, 199, 210, 213, 216, 252, 270, 280, 284, 315, 324, 355, 360, 378, 398, 405, 420, 426, 497, 504, 540, 567, 568, 597, 630, 639, 648, 710, 756, 796, 810, 840, 852, 945, 994, 995, 1065, 1080, 1134, 1194, 1260, 1278, 1393, 1420, 1491, 1512, 1592, 1620, 1704, 1791, 1890, 1917, 1988, 1990, 2130, 2268, 2388, 2485, 2520, 2556, 2786, 2835, 2840, 2982, 2985, 3195, 3240, 3582, 3780, 3834, 3976, 3980, 4179, 4260, 4473, 4536, 4776, 4970, 5112, 5373, 5572, 5670, 5751, 5964, 5970, 6390, 6965, 7164, 7455, 7560, 7668, 7960, 8358, 8520, 8946, 8955, 9585, 9940, 10746, 11144, 11340, 11502, 11928, 11940, 12537, 12780, 13419, 13930, 14129, 14328, 14910, 15336, 16119, 16716, 17892, 17910, 19170, 19880, 20895, 21492, 22365, 22680, 23004, 23880, 25074, 25560, 26838, 26865, 27860, 28258, 28755, 29820, 32238, 33432, 35784, 35820, 37611, 38340, 40257, 41790, 42387, 42984, 44730, 46008, 50148, 53676, 53730, 55720, 56516, 57510, 59640, 62685, 64476, 67095, 70645, 71640, 75222, 76680, 80514, 80595, 83580, 84774, 89460, 98903, 100296, 107352, 107460, 112833, 113032, 115020, 125370, 127161, 128952, 134190, 141290, 150444, 161028, 161190, 167160, 169548, 178920, 188055, 197806, 201285, 211935, 214920, 225666, 230040, 250740, 254322, 268380, 282580, 296709, 300888, 322056, 322380, 339096, 376110, 381483, 395612, 402570, 423870, 451332, 494515, 501480, 508644, 536760, 564165, 565160, 593418, 635805, 644760, 752220, 762966, 791224, 805140, 847740, 890127, 902664, 989030, 1017288, 1128330, 1144449, 1186836, 1271610, 1483545, 1504440, 1525932, 1610280, 1695480, 1780254, 1907415, 1978060, 2256660, 2288898, 2373672, 2543220, 2670381, 2967090, 3051864, 3560508, 3814830, 3956120, 4450635, 4513320, 4577796, 5086440, 5340762, 5722245, 5934180, 7121016, 7629660, 8011143, 8901270, 9155592, 10681524, 11444490, 11868360, 13351905, 15259320, 16022286, 17802540, 21363048, 22888980, 26703810, 32044572, 35605080, 40055715, 45777960, 53407620, 64089144, 80111430, 106815240, 160222860, 320445720]

約数ペア:

[(1, 320445720), (2, 160222860), (3, 106815240), (4, 80111430), (5, 64089144), (6, 53407620), (7, 45777960), (8, 40055715), (9, 35605080), (10, 32044572), (12, 26703810), (14, 22888980), (15, 21363048), (18, 17802540), (20, 16022286), (21, 15259320), (24, 13351905), (27, 11868360), (28, 11444490), (30, 10681524), (35, 9155592), (36, 8901270), (40, 8011143), (42, 7629660), (45, 7121016), (54, 5934180), (56, 5722245), (60, 5340762), (63, 5086440), (70, 4577796), (71, 4513320), (72, 4450635), (81, 3956120), (84, 3814830), (90, 3560508), (105, 3051864), (108, 2967090), (120, 2670381), (126, 2543220), (135, 2373672), (140, 2288898), (142, 2256660), (162, 1978060), (168, 1907415), (180, 1780254), (189, 1695480), (199, 1610280), (210, 1525932), (213, 1504440), (216, 1483545), (252, 1271610), (270, 1186836), (280, 1144449), (284, 1128330), (315, 1017288), (324, 989030), (355, 902664), (360, 890127), (378, 847740), (398, 805140), (405, 791224), (420, 762966), (426, 752220), (497, 644760), (504, 635805), (540, 593418), (567, 565160), (568, 564165), (597, 536760), (630, 508644), (639, 501480), (648, 494515), (710, 451332), (756, 423870), (796, 402570), (810, 395612), (840, 381483), (852, 376110), (945, 339096), (994, 322380), (995, 322056), (1065, 300888), (1080, 296709), (1134, 282580), (1194, 268380), (1260, 254322), (1278, 250740), (1393, 230040), (1420, 225666), (1491, 214920), (1512, 211935), (1592, 201285), (1620, 197806), (1704, 188055), (1791, 178920), (1890, 169548), (1917, 167160), (1988, 161190), (1990, 161028), (2130, 150444), (2268, 141290), (2388, 134190), (2485, 128952), (2520, 127161), (2556, 125370), (2786, 115020), (2835, 113032), (2840, 112833), (2982, 107460), (2985, 107352), (3195, 100296), (3240, 98903), (3582, 89460), (3780, 84774), (3834, 83580), (3976, 80595), (3980, 80514), (4179, 76680), (4260, 75222), (4473, 71640), (4536, 70645), (4776, 67095), (4970, 64476), (5112, 62685), (5373, 59640), (5572, 57510), (5670, 56516), (5751, 55720), (5964, 53730), (5970, 53676), (6390, 50148), (6965, 46008), (7164, 44730), (7455, 42984), (7560, 42387), (7668, 41790), (7960, 40257), (8358, 38340), (8520, 37611), (8946, 35820), (8955, 35784), (9585, 33432), (9940, 32238), (10746, 29820), (11144, 28755), (11340, 28258), (11502, 27860), (11928, 26865), (11940, 26838), (12537, 25560), (12780, 25074), (13419, 23880), (13930, 23004), (14129, 22680), (14328, 22365), (14910, 21492), (15336, 20895), (16119, 19880), (16716, 19170), (17892, 17910)]