1403521280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 216

約数和(自身を含む): 3994433856

約数和(自身を除く): 2590912576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 163, 217, 224, 248, 256, 280, 310, 320, 326, 434, 448, 496, 560, 620, 640, 652, 815, 868, 896, 961, 992, 1085, 1120, 1141, 1240, 1280, 1304, 1630, 1736, 1792, 1922, 1984, 2170, 2240, 2282, 2480, 2608, 3260, 3472, 3844, 3968, 4340, 4480, 4564, 4805, 4960, 5053, 5216, 5705, 6520, 6727, 6944, 7688, 7936, 8680, 8960, 9128, 9610, 9920, 10106, 10432, 11410, 13040, 13454, 13888, 15376, 17360, 18256, 19220, 19840, 20212, 20864, 22820, 25265, 26080, 26908, 27776, 30752, 33635, 34720, 35371, 36512, 38440, 39680, 40424, 41728, 45640, 50530, 52160, 53816, 55552, 61504, 67270, 69440, 70742, 73024, 76880, 80848, 91280, 101060, 104320, 107632, 123008, 134540, 138880, 141484, 146048, 153760, 156643, 161696, 176855, 182560, 202120, 208640, 215264, 246016, 269080, 277760, 282968, 292096, 307520, 313286, 323392, 353710, 365120, 404240, 430528, 538160, 565936, 615040, 626572, 646784, 707420, 730240, 783215, 808480, 861056, 1076320, 1096501, 1131872, 1230080, 1253144, 1293568, 1414840, 1460480, 1566430, 1616960, 1722112, 2152640, 2193002, 2263744, 2506288, 2829680, 3132860, 3233920, 4305280, 4386004, 4527488, 5012576, 5482505, 5659360, 6265720, 6467840, 8610560, 8772008, 9054976, 10025152, 10965010, 11318720, 12531440, 17544016, 20050304, 21930020, 22637440, 25062880, 35088032, 40100608, 43860040, 45274880, 50125760, 70176064, 87720080, 100251520, 140352128, 175440160, 200503040, 280704256, 350880320, 701760640, 1403521280]

約数ペア:

[(1, 1403521280), (2, 701760640), (4, 350880320), (5, 280704256), (7, 200503040), (8, 175440160), (10, 140352128), (14, 100251520), (16, 87720080), (20, 70176064), (28, 50125760), (31, 45274880), (32, 43860040), (35, 40100608), (40, 35088032), (56, 25062880), (62, 22637440), (64, 21930020), (70, 20050304), (80, 17544016), (112, 12531440), (124, 11318720), (128, 10965010), (140, 10025152), (155, 9054976), (160, 8772008), (163, 8610560), (217, 6467840), (224, 6265720), (248, 5659360), (256, 5482505), (280, 5012576), (310, 4527488), (320, 4386004), (326, 4305280), (434, 3233920), (448, 3132860), (496, 2829680), (560, 2506288), (620, 2263744), (640, 2193002), (652, 2152640), (815, 1722112), (868, 1616960), (896, 1566430), (961, 1460480), (992, 1414840), (1085, 1293568), (1120, 1253144), (1141, 1230080), (1240, 1131872), (1280, 1096501), (1304, 1076320), (1630, 861056), (1736, 808480), (1792, 783215), (1922, 730240), (1984, 707420), (2170, 646784), (2240, 626572), (2282, 615040), (2480, 565936), (2608, 538160), (3260, 430528), (3472, 404240), (3844, 365120), (3968, 353710), (4340, 323392), (4480, 313286), (4564, 307520), (4805, 292096), (4960, 282968), (5053, 277760), (5216, 269080), (5705, 246016), (6520, 215264), (6727, 208640), (6944, 202120), (7688, 182560), (7936, 176855), (8680, 161696), (8960, 156643), (9128, 153760), (9610, 146048), (9920, 141484), (10106, 138880), (10432, 134540), (11410, 123008), (13040, 107632), (13454, 104320), (13888, 101060), (15376, 91280), (17360, 80848), (18256, 76880), (19220, 73024), (19840, 70742), (20212, 69440), (20864, 67270), (22820, 61504), (25265, 55552), (26080, 53816), (26908, 52160), (27776, 50530), (30752, 45640), (33635, 41728), (34720, 40424), (35371, 39680), (36512, 38440)]