289287040

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2083}}^1$

素因数の和:2140

約数の個数: 128

約数和(自身を含む): 816261120

約数和(自身を除く): 526974080

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, 2083, 2170, 2240, 2480, 3472, 3968, 4166, 4340, 4480, 4960, 6944, 8332, 8680, 9920, 10415, 13888, 14581, 16664, 17360, 19840, 20830, 27776, 29162, 33328, 34720, 41660, 58324, 64573, 66656, 69440, 72905, 83320, 116648, 129146, 133312, 138880, 145810, 166640, 233296, 258292, 266624, 291620, 322865, 333280, 452011, 466592, 516584, 583240, 645730, 666560, 904022, 933184, 1033168, 1166480, 1291460, 1333120, 1808044, 1866368, 2066336, 2260055, 2332960, 2582920, 3616088, 4132672, 4520110, 4665920, 5165840, 7232176, 8265344, 9040220, 9331840, 10331680, 14464352, 18080440, 20663360, 28928704, 36160880, 41326720, 57857408, 72321760, 144643520, 289287040]

約数ペア:

[(1, 289287040), (2, 144643520), (4, 72321760), (5, 57857408), (7, 41326720), (8, 36160880), (10, 28928704), (14, 20663360), (16, 18080440), (20, 14464352), (28, 10331680), (31, 9331840), (32, 9040220), (35, 8265344), (40, 7232176), (56, 5165840), (62, 4665920), (64, 4520110), (70, 4132672), (80, 3616088), (112, 2582920), (124, 2332960), (128, 2260055), (140, 2066336), (155, 1866368), (160, 1808044), (217, 1333120), (224, 1291460), (248, 1166480), (280, 1033168), (310, 933184), (320, 904022), (434, 666560), (448, 645730), (496, 583240), (560, 516584), (620, 466592), (640, 452011), (868, 333280), (896, 322865), (992, 291620), (1085, 266624), (1120, 258292), (1240, 233296), (1736, 166640), (1984, 145810), (2083, 138880), (2170, 133312), (2240, 129146), (2480, 116648), (3472, 83320), (3968, 72905), (4166, 69440), (4340, 66656), (4480, 64573), (4960, 58324), (6944, 41660), (8332, 34720), (8680, 33328), (9920, 29162), (10415, 27776), (13888, 20830), (14581, 19840), (16664, 17360)]