640286400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:400

約数の個数: 336

約数和(自身を含む): 2342294528

約数和(自身を除く): 1702008128

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 31, 32, 39, 40, 48, 50, 52, 60, 62, 64, 65, 75, 78, 80, 93, 96, 100, 104, 120, 124, 130, 150, 155, 156, 160, 186, 192, 195, 200, 208, 240, 248, 260, 300, 310, 312, 320, 325, 331, 372, 390, 400, 403, 416, 465, 480, 496, 520, 600, 620, 624, 650, 662, 744, 775, 780, 800, 806, 832, 930, 960, 975, 992, 993, 1040, 1200, 1209, 1240, 1248, 1300, 1324, 1488, 1550, 1560, 1600, 1612, 1655, 1860, 1950, 1984, 1986, 2015, 2080, 2325, 2400, 2418, 2480, 2496, 2600, 2648, 2976, 3100, 3120, 3224, 3310, 3720, 3900, 3972, 4030, 4160, 4303, 4650, 4800, 4836, 4960, 4965, 5200, 5296, 5952, 6045, 6200, 6240, 6448, 6620, 7440, 7800, 7944, 8060, 8275, 8606, 9300, 9672, 9920, 9930, 10075, 10261, 10400, 10592, 12090, 12400, 12480, 12896, 12909, 13240, 14880, 15600, 15888, 16120, 16550, 17212, 18600, 19344, 19860, 20150, 20522, 20800, 21184, 21515, 24180, 24800, 24825, 25792, 25818, 26480, 29760, 30225, 30783, 31200, 31776, 32240, 33100, 34424, 37200, 38688, 39720, 40300, 41044, 43030, 48360, 49600, 49650, 51305, 51636, 52960, 60450, 61566, 62400, 63552, 64480, 64545, 66200, 68848, 74400, 77376, 79440, 80600, 82088, 86060, 96720, 99300, 102610, 103272, 105920, 107575, 120900, 123132, 128960, 129090, 132400, 133393, 137696, 148800, 153915, 158880, 161200, 164176, 172120, 193440, 198600, 205220, 206544, 215150, 241800, 246264, 256525, 258180, 264800, 266786, 275392, 307830, 317760, 322400, 322725, 328352, 344240, 386880, 397200, 400179, 410440, 413088, 430300, 483600, 492528, 513050, 516360, 529600, 533572, 615660, 644800, 645450, 656704, 666965, 688480, 769575, 794400, 800358, 820880, 826176, 860600, 967200, 985056, 1026100, 1032720, 1067144, 1231320, 1290900, 1333930, 1376960, 1539150, 1588800, 1600716, 1641760, 1721200, 1934400, 1970112, 2000895, 2052200, 2065440, 2134288, 2462640, 2581800, 2667860, 3078300, 3201432, 3283520, 3334825, 3442400, 4001790, 4104400, 4130880, 4268576, 4925280, 5163600, 5335720, 6156600, 6402864, 6669650, 6884800, 8003580, 8208800, 8537152, 9850560, 10004475, 10327200, 10671440, 12313200, 12805728, 13339300, 16007160, 16417600, 20008950, 20654400, 21342880, 24626400, 25611456, 26678600, 32014320, 40017900, 42685760, 49252800, 53357200, 64028640, 80035800, 106714400, 128057280, 160071600, 213428800, 320143200, 640286400]

約数ペア:

[(1, 640286400), (2, 320143200), (3, 213428800), (4, 160071600), (5, 128057280), (6, 106714400), (8, 80035800), (10, 64028640), (12, 53357200), (13, 49252800), (15, 42685760), (16, 40017900), (20, 32014320), (24, 26678600), (25, 25611456), (26, 24626400), (30, 21342880), (31, 20654400), (32, 20008950), (39, 16417600), (40, 16007160), (48, 13339300), (50, 12805728), (52, 12313200), (60, 10671440), (62, 10327200), (64, 10004475), (65, 9850560), (75, 8537152), (78, 8208800), (80, 8003580), (93, 6884800), (96, 6669650), (100, 6402864), (104, 6156600), (120, 5335720), (124, 5163600), (130, 4925280), (150, 4268576), (155, 4130880), (156, 4104400), (160, 4001790), (186, 3442400), (192, 3334825), (195, 3283520), (200, 3201432), (208, 3078300), (240, 2667860), (248, 2581800), (260, 2462640), (300, 2134288), (310, 2065440), (312, 2052200), (320, 2000895), (325, 1970112), (331, 1934400), (372, 1721200), (390, 1641760), (400, 1600716), (403, 1588800), (416, 1539150), (465, 1376960), (480, 1333930), (496, 1290900), (520, 1231320), (600, 1067144), (620, 1032720), (624, 1026100), (650, 985056), (662, 967200), (744, 860600), (775, 826176), (780, 820880), (800, 800358), (806, 794400), (832, 769575), (930, 688480), (960, 666965), (975, 656704), (992, 645450), (993, 644800), (1040, 615660), (1200, 533572), (1209, 529600), (1240, 516360), (1248, 513050), (1300, 492528), (1324, 483600), (1488, 430300), (1550, 413088), (1560, 410440), (1600, 400179), (1612, 397200), (1655, 386880), (1860, 344240), (1950, 328352), (1984, 322725), (1986, 322400), (2015, 317760), (2080, 307830), (2325, 275392), (2400, 266786), (2418, 264800), (2480, 258180), (2496, 256525), (2600, 246264), (2648, 241800), (2976, 215150), (3100, 206544), (3120, 205220), (3224, 198600), (3310, 193440), (3720, 172120), (3900, 164176), (3972, 161200), (4030, 158880), (4160, 153915), (4303, 148800), (4650, 137696), (4800, 133393), (4836, 132400), (4960, 129090), (4965, 128960), (5200, 123132), (5296, 120900), (5952, 107575), (6045, 105920), (6200, 103272), (6240, 102610), (6448, 99300), (6620, 96720), (7440, 86060), (7800, 82088), (7944, 80600), (8060, 79440), (8275, 77376), (8606, 74400), (9300, 68848), (9672, 66200), (9920, 64545), (9930, 64480), (10075, 63552), (10261, 62400), (10400, 61566), (10592, 60450), (12090, 52960), (12400, 51636), (12480, 51305), (12896, 49650), (12909, 49600), (13240, 48360), (14880, 43030), (15600, 41044), (15888, 40300), (16120, 39720), (16550, 38688), (17212, 37200), (18600, 34424), (19344, 33100), (19860, 32240), (20150, 31776), (20522, 31200), (20800, 30783), (21184, 30225), (21515, 29760), (24180, 26480), (24800, 25818), (24825, 25792)]