1914881280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 288

約数和(自身を含む): 6675540480

約数和(自身を除く): 4760659200

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, 89, 96, 104, 120, 128, 130, 156, 160, 178, 192, 195, 208, 240, 256, 260, 267, 312, 320, 356, 384, 390, 416, 431, 445, 480, 520, 534, 624, 640, 712, 768, 780, 832, 862, 890, 960, 1040, 1068, 1157, 1248, 1280, 1293, 1335, 1424, 1560, 1664, 1724, 1780, 1920, 2080, 2136, 2155, 2314, 2496, 2586, 2670, 2848, 3120, 3328, 3448, 3471, 3560, 3840, 4160, 4272, 4310, 4628, 4992, 5172, 5340, 5603, 5696, 5785, 6240, 6465, 6896, 6942, 7120, 8320, 8544, 8620, 9256, 9984, 10344, 10680, 11206, 11392, 11570, 12480, 12930, 13792, 13884, 14240, 16640, 16809, 17088, 17240, 17355, 18512, 20688, 21360, 22412, 22784, 23140, 24960, 25860, 27584, 27768, 28015, 28480, 33618, 34176, 34480, 34710, 37024, 38359, 41376, 42720, 44824, 46280, 49920, 51720, 55168, 55536, 56030, 56960, 67236, 68352, 68960, 69420, 74048, 76718, 82752, 84045, 85440, 89648, 92560, 103440, 110336, 111072, 112060, 113920, 115077, 134472, 137920, 138840, 148096, 153436, 165504, 168090, 170880, 179296, 185120, 191795, 206880, 222144, 224120, 230154, 268944, 275840, 277680, 296192, 306872, 331008, 336180, 341760, 358592, 370240, 383590, 413760, 444288, 448240, 460308, 498667, 537888, 551680, 555360, 575385, 613744, 672360, 717184, 740480, 767180, 827520, 888576, 896480, 920616, 997334, 1075776, 1110720, 1150770, 1227488, 1344720, 1434368, 1480960, 1496001, 1534360, 1655040, 1792960, 1841232, 1994668, 2151552, 2221440, 2301540, 2454976, 2493335, 2689440, 2992002, 3068720, 3585920, 3682464, 3989336, 4303104, 4442880, 4603080, 4909952, 4986670, 5378880, 5984004, 6137440, 7171840, 7364928, 7480005, 7978672, 9206160, 9819904, 9973340, 10757760, 11968008, 12274880, 14729856, 14960010, 15957344, 18412320, 19946680, 21515520, 23936016, 24549760, 29459712, 29920020, 31914688, 36824640, 39893360, 47872032, 49099520, 59840040, 63829376, 73649280, 79786720, 95744064, 119680080, 127658752, 147298560, 159573440, 191488128, 239360160, 319146880, 382976256, 478720320, 638293760, 957440640, 1914881280]

約数ペア:

[(1, 1914881280), (2, 957440640), (3, 638293760), (4, 478720320), (5, 382976256), (6, 319146880), (8, 239360160), (10, 191488128), (12, 159573440), (13, 147298560), (15, 127658752), (16, 119680080), (20, 95744064), (24, 79786720), (26, 73649280), (30, 63829376), (32, 59840040), (39, 49099520), (40, 47872032), (48, 39893360), (52, 36824640), (60, 31914688), (64, 29920020), (65, 29459712), (78, 24549760), (80, 23936016), (89, 21515520), (96, 19946680), (104, 18412320), (120, 15957344), (128, 14960010), (130, 14729856), (156, 12274880), (160, 11968008), (178, 10757760), (192, 9973340), (195, 9819904), (208, 9206160), (240, 7978672), (256, 7480005), (260, 7364928), (267, 7171840), (312, 6137440), (320, 5984004), (356, 5378880), (384, 4986670), (390, 4909952), (416, 4603080), (431, 4442880), (445, 4303104), (480, 3989336), (520, 3682464), (534, 3585920), (624, 3068720), (640, 2992002), (712, 2689440), (768, 2493335), (780, 2454976), (832, 2301540), (862, 2221440), (890, 2151552), (960, 1994668), (1040, 1841232), (1068, 1792960), (1157, 1655040), (1248, 1534360), (1280, 1496001), (1293, 1480960), (1335, 1434368), (1424, 1344720), (1560, 1227488), (1664, 1150770), (1724, 1110720), (1780, 1075776), (1920, 997334), (2080, 920616), (2136, 896480), (2155, 888576), (2314, 827520), (2496, 767180), (2586, 740480), (2670, 717184), (2848, 672360), (3120, 613744), (3328, 575385), (3448, 555360), (3471, 551680), (3560, 537888), (3840, 498667), (4160, 460308), (4272, 448240), (4310, 444288), (4628, 413760), (4992, 383590), (5172, 370240), (5340, 358592), (5603, 341760), (5696, 336180), (5785, 331008), (6240, 306872), (6465, 296192), (6896, 277680), (6942, 275840), (7120, 268944), (8320, 230154), (8544, 224120), (8620, 222144), (9256, 206880), (9984, 191795), (10344, 185120), (10680, 179296), (11206, 170880), (11392, 168090), (11570, 165504), (12480, 153436), (12930, 148096), (13792, 138840), (13884, 137920), (14240, 134472), (16640, 115077), (16809, 113920), (17088, 112060), (17240, 111072), (17355, 110336), (18512, 103440), (20688, 92560), (21360, 89648), (22412, 85440), (22784, 84045), (23140, 82752), (24960, 76718), (25860, 74048), (27584, 69420), (27768, 68960), (28015, 68352), (28480, 67236), (33618, 56960), (34176, 56030), (34480, 55536), (34710, 55168), (37024, 51720), (38359, 49920), (41376, 46280), (42720, 44824)]