63888640

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 144

約数和(自身を含む): 167771520

約数和(自身を除く): 103882880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 71, 74, 76, 80, 95, 128, 142, 148, 152, 160, 185, 190, 256, 284, 296, 304, 320, 355, 370, 380, 568, 592, 608, 640, 703, 710, 740, 760, 1136, 1184, 1216, 1280, 1349, 1406, 1420, 1480, 1520, 2272, 2368, 2432, 2627, 2698, 2812, 2840, 2960, 3040, 3515, 4544, 4736, 4864, 5254, 5396, 5624, 5680, 5920, 6080, 6745, 7030, 9088, 9472, 10508, 10792, 11248, 11360, 11840, 12160, 13135, 13490, 14060, 18176, 21016, 21584, 22496, 22720, 23680, 24320, 26270, 26980, 28120, 42032, 43168, 44992, 45440, 47360, 49913, 52540, 53960, 56240, 84064, 86336, 89984, 90880, 99826, 105080, 107920, 112480, 168128, 172672, 179968, 199652, 210160, 215840, 224960, 249565, 336256, 345344, 399304, 420320, 431680, 449920, 499130, 672512, 798608, 840640, 863360, 899840, 998260, 1597216, 1681280, 1726720, 1996520, 3194432, 3362560, 3993040, 6388864, 7986080, 12777728, 15972160, 31944320, 63888640]

約数ペア:

[(1, 63888640), (2, 31944320), (4, 15972160), (5, 12777728), (8, 7986080), (10, 6388864), (16, 3993040), (19, 3362560), (20, 3194432), (32, 1996520), (37, 1726720), (38, 1681280), (40, 1597216), (64, 998260), (71, 899840), (74, 863360), (76, 840640), (80, 798608), (95, 672512), (128, 499130), (142, 449920), (148, 431680), (152, 420320), (160, 399304), (185, 345344), (190, 336256), (256, 249565), (284, 224960), (296, 215840), (304, 210160), (320, 199652), (355, 179968), (370, 172672), (380, 168128), (568, 112480), (592, 107920), (608, 105080), (640, 99826), (703, 90880), (710, 89984), (740, 86336), (760, 84064), (1136, 56240), (1184, 53960), (1216, 52540), (1280, 49913), (1349, 47360), (1406, 45440), (1420, 44992), (1480, 43168), (1520, 42032), (2272, 28120), (2368, 26980), (2432, 26270), (2627, 24320), (2698, 23680), (2812, 22720), (2840, 22496), (2960, 21584), (3040, 21016), (3515, 18176), (4544, 14060), (4736, 13490), (4864, 13135), (5254, 12160), (5396, 11840), (5624, 11360), (5680, 11248), (5920, 10792), (6080, 10508), (6745, 9472), (7030, 9088)]