639238320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{18119}}^1$

素因数の和:18152

約数の個数: 180

約数和(自身を含む): 2497407120

約数和(自身を除く): 1858168800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1960, 2205, 2352, 2520, 2940, 3528, 3920, 4410, 5040, 5880, 7056, 8820, 11760, 17640, 18119, 35280, 36238, 54357, 72476, 90595, 108714, 126833, 144952, 163071, 181190, 217428, 253666, 271785, 289904, 326142, 362380, 380499, 434856, 507332, 543570, 634165, 652284, 724760, 760998, 815355, 869712, 887831, 1014664, 1087140, 1141497, 1268330, 1304568, 1449520, 1521996, 1630710, 1775662, 1902495, 2029328, 2174280, 2282994, 2536660, 2609136, 2663493, 3043992, 3261420, 3551324, 3804990, 4348560, 4439155, 4565988, 5073320, 5326986, 5707485, 6087984, 6522840, 7102648, 7609980, 7990479, 8878310, 9131976, 10146640, 10653972, 11414970, 13045680, 13317465, 14205296, 15219960, 15980958, 17756620, 18263952, 21307944, 22829940, 26634930, 30439920, 31961916, 35513240, 39952395, 42615888, 45659880, 53269860, 63923832, 71026480, 79904790, 91319760, 106539720, 127847664, 159809580, 213079440, 319619160, 639238320]

約数ペア:

[(1, 639238320), (2, 319619160), (3, 213079440), (4, 159809580), (5, 127847664), (6, 106539720), (7, 91319760), (8, 79904790), (9, 71026480), (10, 63923832), (12, 53269860), (14, 45659880), (15, 42615888), (16, 39952395), (18, 35513240), (20, 31961916), (21, 30439920), (24, 26634930), (28, 22829940), (30, 21307944), (35, 18263952), (36, 17756620), (40, 15980958), (42, 15219960), (45, 14205296), (48, 13317465), (49, 13045680), (56, 11414970), (60, 10653972), (63, 10146640), (70, 9131976), (72, 8878310), (80, 7990479), (84, 7609980), (90, 7102648), (98, 6522840), (105, 6087984), (112, 5707485), (120, 5326986), (126, 5073320), (140, 4565988), (144, 4439155), (147, 4348560), (168, 3804990), (180, 3551324), (196, 3261420), (210, 3043992), (240, 2663493), (245, 2609136), (252, 2536660), (280, 2282994), (294, 2174280), (315, 2029328), (336, 1902495), (360, 1775662), (392, 1630710), (420, 1521996), (441, 1449520), (490, 1304568), (504, 1268330), (560, 1141497), (588, 1087140), (630, 1014664), (720, 887831), (735, 869712), (784, 815355), (840, 760998), (882, 724760), (980, 652284), (1008, 634165), (1176, 543570), (1260, 507332), (1470, 434856), (1680, 380499), (1764, 362380), (1960, 326142), (2205, 289904), (2352, 271785), (2520, 253666), (2940, 217428), (3528, 181190), (3920, 163071), (4410, 144952), (5040, 126833), (5880, 108714), (7056, 90595), (8820, 72476), (11760, 54357), (17640, 36238), (18119, 35280)]