620480640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24859}}^1$

素因数の和:24894

約数の個数: 128

約数和(自身を含む): 2130004800

約数和(自身を除く): 1509524160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24859, 24960, 49718, 74577, 99436, 124295, 149154, 198872, 248590, 298308, 323167, 372885, 397744, 497180, 596616, 646334, 745770, 795488, 969501, 994360, 1193232, 1292668, 1491540, 1590976, 1615835, 1939002, 1988720, 2386464, 2585336, 2983080, 3181952, 3231670, 3878004, 3977440, 4772928, 4847505, 5170672, 5966160, 6463340, 7756008, 7954880, 9545856, 9695010, 10341344, 11932320, 12926680, 15512016, 15909760, 19390020, 20682688, 23864640, 25853360, 31024032, 38780040, 41365376, 47729280, 51706720, 62048064, 77560080, 103413440, 124096128, 155120160, 206826880, 310240320, 620480640]

約数ペア:

[(1, 620480640), (2, 310240320), (3, 206826880), (4, 155120160), (5, 124096128), (6, 103413440), (8, 77560080), (10, 62048064), (12, 51706720), (13, 47729280), (15, 41365376), (16, 38780040), (20, 31024032), (24, 25853360), (26, 23864640), (30, 20682688), (32, 19390020), (39, 15909760), (40, 15512016), (48, 12926680), (52, 11932320), (60, 10341344), (64, 9695010), (65, 9545856), (78, 7954880), (80, 7756008), (96, 6463340), (104, 5966160), (120, 5170672), (128, 4847505), (130, 4772928), (156, 3977440), (160, 3878004), (192, 3231670), (195, 3181952), (208, 2983080), (240, 2585336), (260, 2386464), (312, 1988720), (320, 1939002), (384, 1615835), (390, 1590976), (416, 1491540), (480, 1292668), (520, 1193232), (624, 994360), (640, 969501), (780, 795488), (832, 745770), (960, 646334), (1040, 596616), (1248, 497180), (1560, 397744), (1664, 372885), (1920, 323167), (2080, 298308), (2496, 248590), (3120, 198872), (4160, 149154), (4992, 124295), (6240, 99436), (8320, 74577), (12480, 49718), (24859, 24960)]