320352480

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{521}}^1$

素因数の和:610

約数の個数: 288

約数和(自身を含む): 1272293568

約数和(自身を除く): 951941088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 122, 126, 140, 144, 160, 168, 180, 183, 210, 224, 240, 244, 252, 280, 288, 305, 315, 336, 360, 366, 420, 427, 480, 488, 504, 521, 549, 560, 610, 630, 672, 720, 732, 840, 854, 915, 976, 1008, 1042, 1098, 1120, 1220, 1260, 1281, 1440, 1464, 1563, 1680, 1708, 1830, 1952, 2016, 2084, 2135, 2196, 2440, 2520, 2562, 2605, 2745, 2928, 3126, 3360, 3416, 3647, 3660, 3843, 4168, 4270, 4392, 4689, 4880, 5040, 5124, 5210, 5490, 5856, 6252, 6405, 6832, 7294, 7320, 7686, 7815, 8336, 8540, 8784, 9378, 9760, 10080, 10248, 10420, 10941, 10980, 12504, 12810, 13664, 14588, 14640, 15372, 15630, 16672, 17080, 17568, 18235, 18756, 19215, 20496, 20840, 21882, 21960, 23445, 25008, 25620, 29176, 29280, 30744, 31260, 31781, 32823, 34160, 36470, 37512, 38430, 40992, 41680, 43764, 43920, 46890, 50016, 51240, 54705, 58352, 61488, 62520, 63562, 65646, 68320, 72940, 75024, 76860, 83360, 87528, 87840, 93780, 95343, 102480, 109410, 116704, 122976, 125040, 127124, 131292, 145880, 150048, 153720, 158905, 164115, 175056, 187560, 190686, 204960, 218820, 222467, 250080, 254248, 262584, 286029, 291760, 307440, 317810, 328230, 350112, 375120, 381372, 437640, 444934, 476715, 508496, 525168, 572058, 583520, 614880, 635620, 656460, 667401, 750240, 762744, 875280, 889868, 953430, 1016992, 1050336, 1112335, 1144116, 1271240, 1312920, 1334802, 1430145, 1525488, 1750560, 1779736, 1906860, 2002203, 2224670, 2288232, 2542480, 2625840, 2669604, 2860290, 3050976, 3337005, 3559472, 3813720, 4004406, 4449340, 4576464, 5084960, 5251680, 5339208, 5720580, 6674010, 7118944, 7627440, 8008812, 8898680, 9152928, 10011015, 10678416, 11441160, 13348020, 15254880, 16017624, 17797360, 20022030, 21356832, 22882320, 26696040, 32035248, 35594720, 40044060, 45764640, 53392080, 64070496, 80088120, 106784160, 160176240, 320352480]

約数ペア:

[(1, 320352480), (2, 160176240), (3, 106784160), (4, 80088120), (5, 64070496), (6, 53392080), (7, 45764640), (8, 40044060), (9, 35594720), (10, 32035248), (12, 26696040), (14, 22882320), (15, 21356832), (16, 20022030), (18, 17797360), (20, 16017624), (21, 15254880), (24, 13348020), (28, 11441160), (30, 10678416), (32, 10011015), (35, 9152928), (36, 8898680), (40, 8008812), (42, 7627440), (45, 7118944), (48, 6674010), (56, 5720580), (60, 5339208), (61, 5251680), (63, 5084960), (70, 4576464), (72, 4449340), (80, 4004406), (84, 3813720), (90, 3559472), (96, 3337005), (105, 3050976), (112, 2860290), (120, 2669604), (122, 2625840), (126, 2542480), (140, 2288232), (144, 2224670), (160, 2002203), (168, 1906860), (180, 1779736), (183, 1750560), (210, 1525488), (224, 1430145), (240, 1334802), (244, 1312920), (252, 1271240), (280, 1144116), (288, 1112335), (305, 1050336), (315, 1016992), (336, 953430), (360, 889868), (366, 875280), (420, 762744), (427, 750240), (480, 667401), (488, 656460), (504, 635620), (521, 614880), (549, 583520), (560, 572058), (610, 525168), (630, 508496), (672, 476715), (720, 444934), (732, 437640), (840, 381372), (854, 375120), (915, 350112), (976, 328230), (1008, 317810), (1042, 307440), (1098, 291760), (1120, 286029), (1220, 262584), (1260, 254248), (1281, 250080), (1440, 222467), (1464, 218820), (1563, 204960), (1680, 190686), (1708, 187560), (1830, 175056), (1952, 164115), (2016, 158905), (2084, 153720), (2135, 150048), (2196, 145880), (2440, 131292), (2520, 127124), (2562, 125040), (2605, 122976), (2745, 116704), (2928, 109410), (3126, 102480), (3360, 95343), (3416, 93780), (3647, 87840), (3660, 87528), (3843, 83360), (4168, 76860), (4270, 75024), (4392, 72940), (4689, 68320), (4880, 65646), (5040, 63562), (5124, 62520), (5210, 61488), (5490, 58352), (5856, 54705), (6252, 51240), (6405, 50016), (6832, 46890), (7294, 43920), (7320, 43764), (7686, 41680), (7815, 40992), (8336, 38430), (8540, 37512), (8784, 36470), (9378, 34160), (9760, 32823), (10080, 31781), (10248, 31260), (10420, 30744), (10941, 29280), (10980, 29176), (12504, 25620), (12810, 25008), (13664, 23445), (14588, 21960), (14640, 21882), (15372, 20840), (15630, 20496), (16672, 19215), (17080, 18756), (17568, 18235)]