319885280

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:122

約数の個数: 288

約数和(自身を含む): 945955584

約数和(自身を除く): 626070304

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 41, 44, 52, 55, 62, 65, 80, 82, 88, 104, 110, 121, 124, 130, 143, 155, 160, 164, 176, 205, 208, 220, 242, 248, 260, 286, 310, 328, 341, 352, 403, 410, 416, 440, 451, 484, 496, 520, 533, 572, 605, 620, 656, 682, 715, 806, 820, 880, 902, 968, 992, 1040, 1066, 1144, 1210, 1240, 1271, 1312, 1364, 1430, 1573, 1612, 1640, 1705, 1760, 1804, 1936, 2015, 2080, 2132, 2255, 2288, 2420, 2480, 2542, 2665, 2728, 2860, 3146, 3224, 3280, 3410, 3608, 3751, 3872, 4030, 4264, 4433, 4510, 4576, 4840, 4960, 4961, 5084, 5330, 5456, 5720, 5863, 6292, 6355, 6448, 6560, 6820, 7216, 7502, 7865, 8060, 8528, 8866, 9020, 9680, 9922, 10168, 10660, 10912, 11440, 11726, 12584, 12710, 12896, 13640, 13981, 14432, 15004, 15730, 16120, 16523, 17056, 17732, 18040, 18755, 19360, 19844, 20336, 21320, 22165, 22880, 23452, 24805, 25168, 25420, 27280, 27962, 29315, 30008, 31460, 32240, 33046, 35464, 36080, 37510, 39688, 40672, 42640, 44330, 46904, 48763, 49610, 50336, 50840, 54560, 55924, 58630, 60016, 62920, 64480, 64493, 66092, 69905, 70928, 72160, 75020, 79376, 82615, 85280, 88660, 93808, 97526, 99220, 101680, 111848, 117260, 120032, 125840, 128986, 132184, 139810, 141856, 150040, 153791, 158752, 165230, 177320, 181753, 187616, 195052, 198440, 203360, 223696, 234520, 243815, 251680, 257972, 264368, 279620, 300080, 307582, 322465, 330460, 354640, 363506, 390104, 396880, 447392, 469040, 487630, 515944, 528736, 559240, 600160, 615164, 644930, 660920, 709280, 727012, 768955, 780208, 793760, 908765, 938080, 975260, 1031888, 1118480, 1230328, 1289860, 1321840, 1454024, 1537910, 1560416, 1817530, 1950520, 1999283, 2063776, 2236960, 2460656, 2579720, 2643680, 2908048, 3075820, 3635060, 3901040, 3998566, 4921312, 5159440, 5816096, 6151640, 7270120, 7802080, 7997132, 9996415, 10318880, 12303280, 14540240, 15994264, 19992830, 24606560, 29080480, 31988528, 39985660, 63977056, 79971320, 159942640, 319885280]

約数ペア:

[(1, 319885280), (2, 159942640), (4, 79971320), (5, 63977056), (8, 39985660), (10, 31988528), (11, 29080480), (13, 24606560), (16, 19992830), (20, 15994264), (22, 14540240), (26, 12303280), (31, 10318880), (32, 9996415), (40, 7997132), (41, 7802080), (44, 7270120), (52, 6151640), (55, 5816096), (62, 5159440), (65, 4921312), (80, 3998566), (82, 3901040), (88, 3635060), (104, 3075820), (110, 2908048), (121, 2643680), (124, 2579720), (130, 2460656), (143, 2236960), (155, 2063776), (160, 1999283), (164, 1950520), (176, 1817530), (205, 1560416), (208, 1537910), (220, 1454024), (242, 1321840), (248, 1289860), (260, 1230328), (286, 1118480), (310, 1031888), (328, 975260), (341, 938080), (352, 908765), (403, 793760), (410, 780208), (416, 768955), (440, 727012), (451, 709280), (484, 660920), (496, 644930), (520, 615164), (533, 600160), (572, 559240), (605, 528736), (620, 515944), (656, 487630), (682, 469040), (715, 447392), (806, 396880), (820, 390104), (880, 363506), (902, 354640), (968, 330460), (992, 322465), (1040, 307582), (1066, 300080), (1144, 279620), (1210, 264368), (1240, 257972), (1271, 251680), (1312, 243815), (1364, 234520), (1430, 223696), (1573, 203360), (1612, 198440), (1640, 195052), (1705, 187616), (1760, 181753), (1804, 177320), (1936, 165230), (2015, 158752), (2080, 153791), (2132, 150040), (2255, 141856), (2288, 139810), (2420, 132184), (2480, 128986), (2542, 125840), (2665, 120032), (2728, 117260), (2860, 111848), (3146, 101680), (3224, 99220), (3280, 97526), (3410, 93808), (3608, 88660), (3751, 85280), (3872, 82615), (4030, 79376), (4264, 75020), (4433, 72160), (4510, 70928), (4576, 69905), (4840, 66092), (4960, 64493), (4961, 64480), (5084, 62920), (5330, 60016), (5456, 58630), (5720, 55924), (5863, 54560), (6292, 50840), (6355, 50336), (6448, 49610), (6560, 48763), (6820, 46904), (7216, 44330), (7502, 42640), (7865, 40672), (8060, 39688), (8528, 37510), (8866, 36080), (9020, 35464), (9680, 33046), (9922, 32240), (10168, 31460), (10660, 30008), (10912, 29315), (11440, 27962), (11726, 27280), (12584, 25420), (12710, 25168), (12896, 24805), (13640, 23452), (13981, 22880), (14432, 22165), (15004, 21320), (15730, 20336), (16120, 19844), (16523, 19360), (17056, 18755), (17732, 18040)]