2018075880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{4493}}^1$

素因数の和:4723

約数の個数: 128

約数和(自身を含む): 6406646400

約数和(自身を除く): 4388570520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 197, 228, 285, 380, 394, 456, 570, 591, 760, 788, 985, 1140, 1182, 1576, 1970, 2280, 2364, 2955, 3743, 3940, 4493, 4728, 5910, 7486, 7880, 8986, 11229, 11820, 13479, 14972, 17972, 18715, 22458, 22465, 23640, 26958, 29944, 35944, 37430, 44916, 44930, 53916, 56145, 67395, 74860, 85367, 89832, 89860, 107832, 112290, 134790, 149720, 170734, 179720, 224580, 256101, 269580, 341468, 426835, 449160, 512202, 539160, 682936, 853670, 885121, 1024404, 1280505, 1707340, 1770242, 2048808, 2561010, 2655363, 3414680, 3540484, 4425605, 5122020, 5310726, 7080968, 8851210, 10244040, 10621452, 13276815, 16817299, 17702420, 21242904, 26553630, 33634598, 35404840, 50451897, 53107260, 67269196, 84086495, 100903794, 106214520, 134538392, 168172990, 201807588, 252259485, 336345980, 403615176, 504518970, 672691960, 1009037940, 2018075880]

約数ペア:

[(1, 2018075880), (2, 1009037940), (3, 672691960), (4, 504518970), (5, 403615176), (6, 336345980), (8, 252259485), (10, 201807588), (12, 168172990), (15, 134538392), (19, 106214520), (20, 100903794), (24, 84086495), (30, 67269196), (38, 53107260), (40, 50451897), (57, 35404840), (60, 33634598), (76, 26553630), (95, 21242904), (114, 17702420), (120, 16817299), (152, 13276815), (190, 10621452), (197, 10244040), (228, 8851210), (285, 7080968), (380, 5310726), (394, 5122020), (456, 4425605), (570, 3540484), (591, 3414680), (760, 2655363), (788, 2561010), (985, 2048808), (1140, 1770242), (1182, 1707340), (1576, 1280505), (1970, 1024404), (2280, 885121), (2364, 853670), (2955, 682936), (3743, 539160), (3940, 512202), (4493, 449160), (4728, 426835), (5910, 341468), (7486, 269580), (7880, 256101), (8986, 224580), (11229, 179720), (11820, 170734), (13479, 149720), (14972, 134790), (17972, 112290), (18715, 107832), (22458, 89860), (22465, 89832), (23640, 85367), (26958, 74860), (29944, 67395), (35944, 56145), (37430, 53916), (44916, 44930)]