991978560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{20261}}^1$

素因数の和:20301

約数の個数: 168

約数和(自身を含む): 3612876696

約数和(自身を除く): 2620898136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1360, 1440, 1530, 1632, 2040, 2448, 2720, 2880, 3060, 3264, 4080, 4896, 5440, 6120, 8160, 9792, 12240, 16320, 20261, 24480, 40522, 48960, 60783, 81044, 101305, 121566, 162088, 182349, 202610, 243132, 303915, 324176, 344437, 364698, 405220, 486264, 607830, 648352, 688874, 729396, 810440, 911745, 972528, 1033311, 1215660, 1296704, 1377748, 1458792, 1620880, 1722185, 1823490, 1945056, 2066622, 2431320, 2755496, 2917584, 3099933, 3241760, 3444370, 3646980, 3890112, 4133244, 4862640, 5166555, 5510992, 5835168, 6199866, 6483520, 6888740, 7293960, 8266488, 9725280, 10333110, 11021984, 11670336, 12399732, 13777480, 14587920, 15499665, 16532976, 19450560, 20666220, 22043968, 24799464, 27554960, 29175840, 30999330, 33065952, 41332440, 49598928, 55109920, 58351680, 61998660, 66131904, 82664880, 99197856, 110219840, 123997320, 165329760, 198395712, 247994640, 330659520, 495989280, 991978560]

約数ペア:

[(1, 991978560), (2, 495989280), (3, 330659520), (4, 247994640), (5, 198395712), (6, 165329760), (8, 123997320), (9, 110219840), (10, 99197856), (12, 82664880), (15, 66131904), (16, 61998660), (17, 58351680), (18, 55109920), (20, 49598928), (24, 41332440), (30, 33065952), (32, 30999330), (34, 29175840), (36, 27554960), (40, 24799464), (45, 22043968), (48, 20666220), (51, 19450560), (60, 16532976), (64, 15499665), (68, 14587920), (72, 13777480), (80, 12399732), (85, 11670336), (90, 11021984), (96, 10333110), (102, 9725280), (120, 8266488), (136, 7293960), (144, 6888740), (153, 6483520), (160, 6199866), (170, 5835168), (180, 5510992), (192, 5166555), (204, 4862640), (240, 4133244), (255, 3890112), (272, 3646980), (288, 3444370), (306, 3241760), (320, 3099933), (340, 2917584), (360, 2755496), (408, 2431320), (480, 2066622), (510, 1945056), (544, 1823490), (576, 1722185), (612, 1620880), (680, 1458792), (720, 1377748), (765, 1296704), (816, 1215660), (960, 1033311), (1020, 972528), (1088, 911745), (1224, 810440), (1360, 729396), (1440, 688874), (1530, 648352), (1632, 607830), (2040, 486264), (2448, 405220), (2720, 364698), (2880, 344437), (3060, 324176), (3264, 303915), (4080, 243132), (4896, 202610), (5440, 182349), (6120, 162088), (8160, 121566), (9792, 101305), (12240, 81044), (16320, 60783), (20261, 48960), (24480, 40522)]