205195680

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 240

約数和(自身を含む): 737662464

約数和(自身を除く): 532466784

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, 71, 72, 80, 81, 90, 96, 108, 120, 135, 142, 144, 160, 162, 180, 213, 216, 223, 240, 270, 284, 288, 324, 355, 360, 405, 426, 432, 446, 480, 540, 568, 639, 648, 669, 710, 720, 810, 852, 864, 892, 1065, 1080, 1115, 1136, 1278, 1296, 1338, 1420, 1440, 1620, 1704, 1784, 1917, 2007, 2130, 2160, 2230, 2272, 2556, 2592, 2676, 2840, 3195, 3240, 3345, 3408, 3568, 3834, 4014, 4260, 4320, 4460, 5112, 5352, 5680, 5751, 6021, 6390, 6480, 6690, 6816, 7136, 7668, 8028, 8520, 8920, 9585, 10035, 10224, 10704, 11360, 11502, 12042, 12780, 12960, 13380, 15336, 15833, 16056, 17040, 17840, 18063, 19170, 20070, 20448, 21408, 23004, 24084, 25560, 26760, 28755, 30105, 30672, 31666, 32112, 34080, 35680, 36126, 38340, 40140, 46008, 47499, 48168, 51120, 53520, 57510, 60210, 61344, 63332, 64224, 72252, 76680, 79165, 80280, 90315, 92016, 94998, 96336, 102240, 107040, 115020, 120420, 126664, 142497, 144504, 153360, 158330, 160560, 180630, 184032, 189996, 192672, 230040, 237495, 240840, 253328, 284994, 289008, 306720, 316660, 321120, 361260, 379992, 427491, 460080, 474990, 481680, 506656, 569988, 578016, 633320, 712485, 722520, 759984, 854982, 920160, 949980, 963360, 1139976, 1266640, 1282473, 1424970, 1445040, 1519968, 1709964, 1899960, 2137455, 2279952, 2533280, 2564946, 2849940, 2890080, 3419928, 3799920, 4274910, 4559904, 5129892, 5699880, 6412365, 6839856, 7599840, 8549820, 10259784, 11399760, 12824730, 13679712, 17099640, 20519568, 22799520, 25649460, 34199280, 41039136, 51298920, 68398560, 102597840, 205195680]

約数ペア:

[(1, 205195680), (2, 102597840), (3, 68398560), (4, 51298920), (5, 41039136), (6, 34199280), (8, 25649460), (9, 22799520), (10, 20519568), (12, 17099640), (15, 13679712), (16, 12824730), (18, 11399760), (20, 10259784), (24, 8549820), (27, 7599840), (30, 6839856), (32, 6412365), (36, 5699880), (40, 5129892), (45, 4559904), (48, 4274910), (54, 3799920), (60, 3419928), (71, 2890080), (72, 2849940), (80, 2564946), (81, 2533280), (90, 2279952), (96, 2137455), (108, 1899960), (120, 1709964), (135, 1519968), (142, 1445040), (144, 1424970), (160, 1282473), (162, 1266640), (180, 1139976), (213, 963360), (216, 949980), (223, 920160), (240, 854982), (270, 759984), (284, 722520), (288, 712485), (324, 633320), (355, 578016), (360, 569988), (405, 506656), (426, 481680), (432, 474990), (446, 460080), (480, 427491), (540, 379992), (568, 361260), (639, 321120), (648, 316660), (669, 306720), (710, 289008), (720, 284994), (810, 253328), (852, 240840), (864, 237495), (892, 230040), (1065, 192672), (1080, 189996), (1115, 184032), (1136, 180630), (1278, 160560), (1296, 158330), (1338, 153360), (1420, 144504), (1440, 142497), (1620, 126664), (1704, 120420), (1784, 115020), (1917, 107040), (2007, 102240), (2130, 96336), (2160, 94998), (2230, 92016), (2272, 90315), (2556, 80280), (2592, 79165), (2676, 76680), (2840, 72252), (3195, 64224), (3240, 63332), (3345, 61344), (3408, 60210), (3568, 57510), (3834, 53520), (4014, 51120), (4260, 48168), (4320, 47499), (4460, 46008), (5112, 40140), (5352, 38340), (5680, 36126), (5751, 35680), (6021, 34080), (6390, 32112), (6480, 31666), (6690, 30672), (6816, 30105), (7136, 28755), (7668, 26760), (8028, 25560), (8520, 24084), (8920, 23004), (9585, 21408), (10035, 20448), (10224, 20070), (10704, 19170), (11360, 18063), (11502, 17840), (12042, 17040), (12780, 16056), (12960, 15833), (13380, 15336)]