1312971520

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:251

約数の個数: 288

約数和(自身を含む): 3861688320

約数和(自身を除く): 2548716800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 64, 70, 80, 112, 116, 124, 128, 140, 145, 155, 160, 163, 203, 217, 224, 232, 248, 256, 280, 290, 310, 320, 326, 406, 434, 448, 464, 496, 560, 580, 620, 640, 652, 812, 815, 868, 896, 899, 928, 992, 1015, 1085, 1120, 1141, 1160, 1240, 1280, 1304, 1624, 1630, 1736, 1792, 1798, 1856, 1984, 2030, 2170, 2240, 2282, 2320, 2480, 2608, 3248, 3260, 3472, 3596, 3712, 3968, 4060, 4340, 4480, 4495, 4564, 4640, 4727, 4960, 5053, 5216, 5705, 6293, 6496, 6520, 6944, 7192, 7424, 7936, 8120, 8680, 8960, 8990, 9128, 9280, 9454, 9920, 10106, 10432, 11410, 12586, 12992, 13040, 13888, 14384, 16240, 17360, 17980, 18256, 18560, 18908, 19840, 20212, 20864, 22820, 23635, 25172, 25265, 25984, 26080, 27776, 28768, 31465, 32480, 33089, 34720, 35371, 35960, 36512, 37120, 37816, 39680, 40424, 41728, 45640, 47270, 50344, 50530, 51968, 52160, 55552, 57536, 62930, 64960, 66178, 69440, 70742, 71920, 73024, 75632, 80848, 91280, 94540, 100688, 101060, 104320, 115072, 125860, 129920, 132356, 138880, 141484, 143840, 146048, 146537, 151264, 161696, 165445, 176855, 182560, 189080, 201376, 202120, 208640, 230144, 251720, 259840, 264712, 277760, 282968, 287680, 292096, 293074, 302528, 323392, 330890, 353710, 365120, 378160, 402752, 404240, 503440, 529424, 565936, 575360, 586148, 605056, 646784, 661780, 707420, 730240, 732685, 756320, 805504, 808480, 1006880, 1025759, 1058848, 1131872, 1150720, 1172296, 1210112, 1293568, 1323560, 1414840, 1460480, 1465370, 1512640, 1611008, 1616960, 2013760, 2051518, 2117696, 2263744, 2344592, 2647120, 2829680, 2930740, 3025280, 3233920, 4027520, 4103036, 4235392, 4527488, 4689184, 5128795, 5294240, 5659360, 5861480, 6050560, 6467840, 8055040, 8206072, 8470784, 9054976, 9378368, 10257590, 10588480, 11318720, 11722960, 16412144, 18756736, 20515180, 21176960, 22637440, 23445920, 32824288, 37513472, 41030360, 42353920, 45274880, 46891840, 65648576, 82060720, 93783680, 131297152, 164121440, 187567360, 262594304, 328242880, 656485760, 1312971520]

約数ペア:

[(1, 1312971520), (2, 656485760), (4, 328242880), (5, 262594304), (7, 187567360), (8, 164121440), (10, 131297152), (14, 93783680), (16, 82060720), (20, 65648576), (28, 46891840), (29, 45274880), (31, 42353920), (32, 41030360), (35, 37513472), (40, 32824288), (56, 23445920), (58, 22637440), (62, 21176960), (64, 20515180), (70, 18756736), (80, 16412144), (112, 11722960), (116, 11318720), (124, 10588480), (128, 10257590), (140, 9378368), (145, 9054976), (155, 8470784), (160, 8206072), (163, 8055040), (203, 6467840), (217, 6050560), (224, 5861480), (232, 5659360), (248, 5294240), (256, 5128795), (280, 4689184), (290, 4527488), (310, 4235392), (320, 4103036), (326, 4027520), (406, 3233920), (434, 3025280), (448, 2930740), (464, 2829680), (496, 2647120), (560, 2344592), (580, 2263744), (620, 2117696), (640, 2051518), (652, 2013760), (812, 1616960), (815, 1611008), (868, 1512640), (896, 1465370), (899, 1460480), (928, 1414840), (992, 1323560), (1015, 1293568), (1085, 1210112), (1120, 1172296), (1141, 1150720), (1160, 1131872), (1240, 1058848), (1280, 1025759), (1304, 1006880), (1624, 808480), (1630, 805504), (1736, 756320), (1792, 732685), (1798, 730240), (1856, 707420), (1984, 661780), (2030, 646784), (2170, 605056), (2240, 586148), (2282, 575360), (2320, 565936), (2480, 529424), (2608, 503440), (3248, 404240), (3260, 402752), (3472, 378160), (3596, 365120), (3712, 353710), (3968, 330890), (4060, 323392), (4340, 302528), (4480, 293074), (4495, 292096), (4564, 287680), (4640, 282968), (4727, 277760), (4960, 264712), (5053, 259840), (5216, 251720), (5705, 230144), (6293, 208640), (6496, 202120), (6520, 201376), (6944, 189080), (7192, 182560), (7424, 176855), (7936, 165445), (8120, 161696), (8680, 151264), (8960, 146537), (8990, 146048), (9128, 143840), (9280, 141484), (9454, 138880), (9920, 132356), (10106, 129920), (10432, 125860), (11410, 115072), (12586, 104320), (12992, 101060), (13040, 100688), (13888, 94540), (14384, 91280), (16240, 80848), (17360, 75632), (17980, 73024), (18256, 71920), (18560, 70742), (18908, 69440), (19840, 66178), (20212, 64960), (20864, 62930), (22820, 57536), (23635, 55552), (25172, 52160), (25265, 51968), (25984, 50530), (26080, 50344), (27776, 47270), (28768, 45640), (31465, 41728), (32480, 40424), (33089, 39680), (34720, 37816), (35371, 37120), (35960, 36512)]