1919857280

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1$

素因数の和:543

約数の個数: 256

約数和(自身を含む): 5452185600

約数和(自身を除く): 3532328320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 31, 32, 38, 40, 44, 55, 62, 64, 76, 80, 88, 95, 110, 124, 128, 152, 155, 160, 176, 190, 209, 220, 248, 304, 310, 320, 341, 352, 380, 418, 440, 463, 496, 589, 608, 620, 640, 682, 704, 760, 836, 880, 926, 992, 1045, 1178, 1216, 1240, 1364, 1408, 1520, 1672, 1705, 1760, 1852, 1984, 2090, 2315, 2356, 2432, 2480, 2728, 2945, 3040, 3344, 3410, 3520, 3704, 3968, 4180, 4630, 4712, 4960, 5093, 5456, 5890, 6080, 6479, 6688, 6820, 7040, 7408, 8360, 8797, 9260, 9424, 9920, 10186, 10912, 11780, 12160, 12958, 13376, 13640, 14353, 14816, 16720, 17594, 18520, 18848, 19840, 20372, 21824, 23560, 25465, 25916, 26752, 27280, 28706, 29632, 32395, 33440, 35188, 37040, 37696, 40744, 43648, 43985, 47120, 50930, 51832, 54560, 57412, 59264, 64790, 66880, 70376, 71765, 74080, 75392, 81488, 87970, 94240, 96767, 101860, 103664, 109120, 114824, 129580, 133760, 140752, 143530, 148160, 157883, 162976, 175940, 188480, 193534, 203720, 207328, 218240, 229648, 259160, 272707, 281504, 287060, 296320, 315766, 325952, 351880, 376960, 387068, 407440, 414656, 459296, 483835, 518320, 545414, 563008, 574120, 631532, 651904, 703760, 774136, 789415, 814880, 829312, 918592, 967670, 1036640, 1090828, 1126016, 1148240, 1263064, 1363535, 1407520, 1548272, 1578830, 1629760, 1837184, 1935340, 2073280, 2181656, 2296480, 2526128, 2727070, 2815040, 2999777, 3096544, 3157660, 3259520, 3870680, 4146560, 4363312, 4592960, 5052256, 5454140, 5630080, 5999554, 6193088, 6315320, 7741360, 8726624, 9185920, 10104512, 10908280, 11999108, 12386176, 12630640, 14998885, 15482720, 17453248, 20209024, 21816560, 23998216, 25261280, 29997770, 30965440, 34906496, 43633120, 47996432, 50522560, 59995540, 61930880, 87266240, 95992864, 101045120, 119991080, 174532480, 191985728, 239982160, 383971456, 479964320, 959928640, 1919857280]

約数ペア:

[(1, 1919857280), (2, 959928640), (4, 479964320), (5, 383971456), (8, 239982160), (10, 191985728), (11, 174532480), (16, 119991080), (19, 101045120), (20, 95992864), (22, 87266240), (31, 61930880), (32, 59995540), (38, 50522560), (40, 47996432), (44, 43633120), (55, 34906496), (62, 30965440), (64, 29997770), (76, 25261280), (80, 23998216), (88, 21816560), (95, 20209024), (110, 17453248), (124, 15482720), (128, 14998885), (152, 12630640), (155, 12386176), (160, 11999108), (176, 10908280), (190, 10104512), (209, 9185920), (220, 8726624), (248, 7741360), (304, 6315320), (310, 6193088), (320, 5999554), (341, 5630080), (352, 5454140), (380, 5052256), (418, 4592960), (440, 4363312), (463, 4146560), (496, 3870680), (589, 3259520), (608, 3157660), (620, 3096544), (640, 2999777), (682, 2815040), (704, 2727070), (760, 2526128), (836, 2296480), (880, 2181656), (926, 2073280), (992, 1935340), (1045, 1837184), (1178, 1629760), (1216, 1578830), (1240, 1548272), (1364, 1407520), (1408, 1363535), (1520, 1263064), (1672, 1148240), (1705, 1126016), (1760, 1090828), (1852, 1036640), (1984, 967670), (2090, 918592), (2315, 829312), (2356, 814880), (2432, 789415), (2480, 774136), (2728, 703760), (2945, 651904), (3040, 631532), (3344, 574120), (3410, 563008), (3520, 545414), (3704, 518320), (3968, 483835), (4180, 459296), (4630, 414656), (4712, 407440), (4960, 387068), (5093, 376960), (5456, 351880), (5890, 325952), (6080, 315766), (6479, 296320), (6688, 287060), (6820, 281504), (7040, 272707), (7408, 259160), (8360, 229648), (8797, 218240), (9260, 207328), (9424, 203720), (9920, 193534), (10186, 188480), (10912, 175940), (11780, 162976), (12160, 157883), (12958, 148160), (13376, 143530), (13640, 140752), (14353, 133760), (14816, 129580), (16720, 114824), (17594, 109120), (18520, 103664), (18848, 101860), (19840, 96767), (20372, 94240), (21824, 87970), (23560, 81488), (25465, 75392), (25916, 74080), (26752, 71765), (27280, 70376), (28706, 66880), (29632, 64790), (32395, 59264), (33440, 57412), (35188, 54560), (37040, 51832), (37696, 50930), (40744, 47120), (43648, 43985)]