399684480

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:341

約数の個数: 256

約数和(自身を含む): 1398297600

約数和(自身を除く): 998613120

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, 67, 78, 80, 96, 104, 120, 128, 130, 134, 156, 160, 192, 195, 201, 208, 239, 240, 260, 268, 312, 320, 335, 384, 390, 402, 416, 478, 480, 520, 536, 624, 640, 670, 717, 780, 804, 832, 871, 956, 960, 1005, 1040, 1072, 1195, 1248, 1340, 1434, 1560, 1608, 1664, 1742, 1912, 1920, 2010, 2080, 2144, 2390, 2496, 2613, 2680, 2868, 3107, 3120, 3216, 3484, 3585, 3824, 4020, 4160, 4288, 4355, 4780, 4992, 5226, 5360, 5736, 6214, 6240, 6432, 6968, 7170, 7648, 8040, 8320, 8576, 8710, 9321, 9560, 10452, 10720, 11472, 12428, 12480, 12864, 13065, 13936, 14340, 15296, 15535, 16013, 16080, 17420, 18642, 19120, 20904, 21440, 22944, 24856, 24960, 25728, 26130, 27872, 28680, 30592, 31070, 32026, 32160, 34840, 37284, 38240, 41808, 42880, 45888, 46605, 48039, 49712, 52260, 55744, 57360, 62140, 64052, 64320, 69680, 74568, 76480, 80065, 83616, 91776, 93210, 96078, 99424, 104520, 111488, 114720, 124280, 128104, 128640, 139360, 149136, 152960, 160130, 167232, 186420, 192156, 198848, 208169, 209040, 229440, 240195, 248560, 256208, 278720, 298272, 320260, 334464, 372840, 384312, 397696, 416338, 418080, 458880, 480390, 497120, 512416, 557440, 596544, 624507, 640520, 745680, 768624, 832676, 836160, 960780, 994240, 1024832, 1040845, 1193088, 1249014, 1281040, 1491360, 1537248, 1665352, 1672320, 1921560, 1988480, 2049664, 2081690, 2498028, 2562080, 2982720, 3074496, 3122535, 3330704, 3843120, 4163380, 4996056, 5124160, 5965440, 6148992, 6245070, 6661408, 7686240, 8326760, 9992112, 10248320, 12490140, 13322816, 15372480, 16653520, 19984224, 24980280, 26645632, 30744960, 33307040, 39968448, 49960560, 66614080, 79936896, 99921120, 133228160, 199842240, 399684480]

約数ペア:

[(1, 399684480), (2, 199842240), (3, 133228160), (4, 99921120), (5, 79936896), (6, 66614080), (8, 49960560), (10, 39968448), (12, 33307040), (13, 30744960), (15, 26645632), (16, 24980280), (20, 19984224), (24, 16653520), (26, 15372480), (30, 13322816), (32, 12490140), (39, 10248320), (40, 9992112), (48, 8326760), (52, 7686240), (60, 6661408), (64, 6245070), (65, 6148992), (67, 5965440), (78, 5124160), (80, 4996056), (96, 4163380), (104, 3843120), (120, 3330704), (128, 3122535), (130, 3074496), (134, 2982720), (156, 2562080), (160, 2498028), (192, 2081690), (195, 2049664), (201, 1988480), (208, 1921560), (239, 1672320), (240, 1665352), (260, 1537248), (268, 1491360), (312, 1281040), (320, 1249014), (335, 1193088), (384, 1040845), (390, 1024832), (402, 994240), (416, 960780), (478, 836160), (480, 832676), (520, 768624), (536, 745680), (624, 640520), (640, 624507), (670, 596544), (717, 557440), (780, 512416), (804, 497120), (832, 480390), (871, 458880), (956, 418080), (960, 416338), (1005, 397696), (1040, 384312), (1072, 372840), (1195, 334464), (1248, 320260), (1340, 298272), (1434, 278720), (1560, 256208), (1608, 248560), (1664, 240195), (1742, 229440), (1912, 209040), (1920, 208169), (2010, 198848), (2080, 192156), (2144, 186420), (2390, 167232), (2496, 160130), (2613, 152960), (2680, 149136), (2868, 139360), (3107, 128640), (3120, 128104), (3216, 124280), (3484, 114720), (3585, 111488), (3824, 104520), (4020, 99424), (4160, 96078), (4288, 93210), (4355, 91776), (4780, 83616), (4992, 80065), (5226, 76480), (5360, 74568), (5736, 69680), (6214, 64320), (6240, 64052), (6432, 62140), (6968, 57360), (7170, 55744), (7648, 52260), (8040, 49712), (8320, 48039), (8576, 46605), (8710, 45888), (9321, 42880), (9560, 41808), (10452, 38240), (10720, 37284), (11472, 34840), (12428, 32160), (12480, 32026), (12864, 31070), (13065, 30592), (13936, 28680), (14340, 27872), (15296, 26130), (15535, 25728), (16013, 24960), (16080, 24856), (17420, 22944), (18642, 21440), (19120, 20904)]