440654240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 192

約数和(自身を含む): 1196923392

約数和(自身を除く): 756269152

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 61, 65, 80, 92, 104, 115, 122, 130, 151, 160, 184, 208, 230, 244, 260, 299, 302, 305, 368, 416, 460, 488, 520, 598, 604, 610, 736, 755, 793, 920, 976, 1040, 1196, 1208, 1220, 1403, 1495, 1510, 1586, 1840, 1952, 1963, 2080, 2392, 2416, 2440, 2806, 2990, 3020, 3172, 3473, 3680, 3926, 3965, 4784, 4832, 4880, 5612, 5980, 6040, 6344, 6946, 7015, 7852, 7930, 9211, 9568, 9760, 9815, 11224, 11960, 12080, 12688, 13892, 14030, 15704, 15860, 17365, 18239, 18422, 19630, 22448, 23920, 24160, 25376, 27784, 28060, 31408, 31720, 34730, 36478, 36844, 39260, 44896, 45149, 46055, 47840, 55568, 56120, 62816, 63440, 69460, 72956, 73688, 78520, 90298, 91195, 92110, 111136, 112240, 119743, 126880, 138920, 145912, 147376, 157040, 180596, 182390, 184220, 211853, 224480, 225745, 239486, 277840, 291824, 294752, 314080, 361192, 364780, 368440, 423706, 451490, 478972, 555680, 583648, 598715, 722384, 729560, 736880, 847412, 902980, 957944, 1059265, 1197430, 1444768, 1459120, 1473760, 1694824, 1805960, 1915888, 2118530, 2394860, 2754089, 2918240, 3389648, 3611920, 3831776, 4237060, 4789720, 5508178, 6779296, 7223840, 8474120, 9579440, 11016356, 13770445, 16948240, 19158880, 22032712, 27540890, 33896480, 44065424, 55081780, 88130848, 110163560, 220327120, 440654240]

約数ペア:

[(1, 440654240), (2, 220327120), (4, 110163560), (5, 88130848), (8, 55081780), (10, 44065424), (13, 33896480), (16, 27540890), (20, 22032712), (23, 19158880), (26, 16948240), (32, 13770445), (40, 11016356), (46, 9579440), (52, 8474120), (61, 7223840), (65, 6779296), (80, 5508178), (92, 4789720), (104, 4237060), (115, 3831776), (122, 3611920), (130, 3389648), (151, 2918240), (160, 2754089), (184, 2394860), (208, 2118530), (230, 1915888), (244, 1805960), (260, 1694824), (299, 1473760), (302, 1459120), (305, 1444768), (368, 1197430), (416, 1059265), (460, 957944), (488, 902980), (520, 847412), (598, 736880), (604, 729560), (610, 722384), (736, 598715), (755, 583648), (793, 555680), (920, 478972), (976, 451490), (1040, 423706), (1196, 368440), (1208, 364780), (1220, 361192), (1403, 314080), (1495, 294752), (1510, 291824), (1586, 277840), (1840, 239486), (1952, 225745), (1963, 224480), (2080, 211853), (2392, 184220), (2416, 182390), (2440, 180596), (2806, 157040), (2990, 147376), (3020, 145912), (3172, 138920), (3473, 126880), (3680, 119743), (3926, 112240), (3965, 111136), (4784, 92110), (4832, 91195), (4880, 90298), (5612, 78520), (5980, 73688), (6040, 72956), (6344, 69460), (6946, 63440), (7015, 62816), (7852, 56120), (7930, 55568), (9211, 47840), (9568, 46055), (9760, 45149), (9815, 44896), (11224, 39260), (11960, 36844), (12080, 36478), (12688, 34730), (13892, 31720), (14030, 31408), (15704, 28060), (15860, 27784), (17365, 25376), (18239, 24160), (18422, 23920), (19630, 22448)]