399435840

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{557}}^1$

素因数の和:666

約数の個数: 224

約数和(自身を含む): 1428658560

約数和(自身を除く): 1029222720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 83, 90, 96, 108, 120, 135, 144, 160, 166, 180, 192, 216, 240, 249, 270, 288, 320, 332, 360, 415, 432, 480, 498, 540, 557, 576, 664, 720, 747, 830, 864, 960, 996, 1080, 1114, 1245, 1328, 1440, 1494, 1660, 1671, 1728, 1992, 2160, 2228, 2241, 2490, 2656, 2785, 2880, 2988, 3320, 3342, 3735, 3984, 4320, 4456, 4482, 4980, 5013, 5312, 5570, 5976, 6640, 6684, 7470, 7968, 8355, 8640, 8912, 8964, 9960, 10026, 11140, 11205, 11952, 13280, 13368, 14940, 15039, 15936, 16710, 17824, 17928, 19920, 20052, 22280, 22410, 23904, 25065, 26560, 26736, 29880, 30078, 33420, 35648, 35856, 39840, 40104, 44560, 44820, 46231, 47808, 50130, 53472, 59760, 60156, 66840, 71712, 75195, 79680, 80208, 89120, 89640, 92462, 100260, 106944, 119520, 120312, 133680, 138693, 143424, 150390, 160416, 178240, 179280, 184924, 200520, 231155, 239040, 240624, 267360, 277386, 300780, 320832, 358560, 369848, 401040, 416079, 462310, 481248, 534720, 554772, 601560, 693465, 717120, 739696, 802080, 832158, 924620, 962496, 1109544, 1203120, 1248237, 1386930, 1479392, 1604160, 1664316, 1849240, 2080395, 2219088, 2406240, 2496474, 2773860, 2958784, 3328632, 3698480, 4160790, 4438176, 4812480, 4992948, 5547720, 6241185, 6657264, 7396960, 8321580, 8876352, 9985896, 11095440, 12482370, 13314528, 14793920, 16643160, 19971792, 22190880, 24964740, 26629056, 33286320, 39943584, 44381760, 49929480, 66572640, 79887168, 99858960, 133145280, 199717920, 399435840]

約数ペア:

[(1, 399435840), (2, 199717920), (3, 133145280), (4, 99858960), (5, 79887168), (6, 66572640), (8, 49929480), (9, 44381760), (10, 39943584), (12, 33286320), (15, 26629056), (16, 24964740), (18, 22190880), (20, 19971792), (24, 16643160), (27, 14793920), (30, 13314528), (32, 12482370), (36, 11095440), (40, 9985896), (45, 8876352), (48, 8321580), (54, 7396960), (60, 6657264), (64, 6241185), (72, 5547720), (80, 4992948), (83, 4812480), (90, 4438176), (96, 4160790), (108, 3698480), (120, 3328632), (135, 2958784), (144, 2773860), (160, 2496474), (166, 2406240), (180, 2219088), (192, 2080395), (216, 1849240), (240, 1664316), (249, 1604160), (270, 1479392), (288, 1386930), (320, 1248237), (332, 1203120), (360, 1109544), (415, 962496), (432, 924620), (480, 832158), (498, 802080), (540, 739696), (557, 717120), (576, 693465), (664, 601560), (720, 554772), (747, 534720), (830, 481248), (864, 462310), (960, 416079), (996, 401040), (1080, 369848), (1114, 358560), (1245, 320832), (1328, 300780), (1440, 277386), (1494, 267360), (1660, 240624), (1671, 239040), (1728, 231155), (1992, 200520), (2160, 184924), (2228, 179280), (2241, 178240), (2490, 160416), (2656, 150390), (2785, 143424), (2880, 138693), (2988, 133680), (3320, 120312), (3342, 119520), (3735, 106944), (3984, 100260), (4320, 92462), (4456, 89640), (4482, 89120), (4980, 80208), (5013, 79680), (5312, 75195), (5570, 71712), (5976, 66840), (6640, 60156), (6684, 59760), (7470, 53472), (7968, 50130), (8355, 47808), (8640, 46231), (8912, 44820), (8964, 44560), (9960, 40104), (10026, 39840), (11140, 35856), (11205, 35648), (11952, 33420), (13280, 30078), (13368, 29880), (14940, 26736), (15039, 26560), (15936, 25065), (16710, 23904), (17824, 22410), (17928, 22280), (19920, 20052)]