816475520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5879}}^1$

素因数の和:5936

約数の個数: 128

約数和(自身を含む): 2303078400

約数和(自身を除く): 1486602880

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, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2240, 2480, 3472, 3968, 4340, 4480, 4960, 5879, 6944, 8680, 9920, 11758, 13888, 17360, 19840, 23516, 27776, 29395, 34720, 41153, 47032, 58790, 69440, 82306, 94064, 117580, 138880, 164612, 182249, 188128, 205765, 235160, 329224, 364498, 376256, 411530, 470320, 658448, 728996, 752512, 823060, 911245, 940640, 1275743, 1316896, 1457992, 1646120, 1822490, 1881280, 2551486, 2633792, 2915984, 3292240, 3644980, 3762560, 5102972, 5267584, 5831968, 6378715, 6584480, 7289960, 10205944, 11663936, 12757430, 13168960, 14579920, 20411888, 23327872, 25514860, 26337920, 29159840, 40823776, 51029720, 58319680, 81647552, 102059440, 116639360, 163295104, 204118880, 408237760, 816475520]

約数ペア:

[(1, 816475520), (2, 408237760), (4, 204118880), (5, 163295104), (7, 116639360), (8, 102059440), (10, 81647552), (14, 58319680), (16, 51029720), (20, 40823776), (28, 29159840), (31, 26337920), (32, 25514860), (35, 23327872), (40, 20411888), (56, 14579920), (62, 13168960), (64, 12757430), (70, 11663936), (80, 10205944), (112, 7289960), (124, 6584480), (128, 6378715), (140, 5831968), (155, 5267584), (160, 5102972), (217, 3762560), (224, 3644980), (248, 3292240), (280, 2915984), (310, 2633792), (320, 2551486), (434, 1881280), (448, 1822490), (496, 1646120), (560, 1457992), (620, 1316896), (640, 1275743), (868, 940640), (896, 911245), (992, 823060), (1085, 752512), (1120, 728996), (1240, 658448), (1736, 470320), (1984, 411530), (2170, 376256), (2240, 364498), (2480, 329224), (3472, 235160), (3968, 205765), (4340, 188128), (4480, 182249), (4960, 164612), (5879, 138880), (6944, 117580), (8680, 94064), (9920, 82306), (11758, 69440), (13888, 58790), (17360, 47032), (19840, 41153), (23516, 34720), (27776, 29395)]