65921920

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 171188640

約数和(自身を除く): 105266720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 73, 80, 83, 85, 128, 136, 146, 160, 166, 170, 272, 292, 320, 332, 340, 365, 415, 544, 584, 640, 664, 680, 730, 830, 1088, 1168, 1241, 1328, 1360, 1411, 1460, 1660, 2176, 2336, 2482, 2656, 2720, 2822, 2920, 3320, 4672, 4964, 5312, 5440, 5644, 5840, 6059, 6205, 6640, 7055, 9344, 9928, 10624, 10880, 11288, 11680, 12118, 12410, 13280, 14110, 19856, 22576, 23360, 24236, 24820, 26560, 28220, 30295, 39712, 45152, 46720, 48472, 49640, 53120, 56440, 60590, 79424, 90304, 96944, 99280, 103003, 112880, 121180, 158848, 180608, 193888, 198560, 206006, 225760, 242360, 387776, 397120, 412012, 451520, 484720, 515015, 775552, 794240, 824024, 903040, 969440, 1030030, 1648048, 1938880, 2060060, 3296096, 3877760, 4120120, 6592192, 8240240, 13184384, 16480480, 32960960, 65921920]

約数ペア:

[(1, 65921920), (2, 32960960), (4, 16480480), (5, 13184384), (8, 8240240), (10, 6592192), (16, 4120120), (17, 3877760), (20, 3296096), (32, 2060060), (34, 1938880), (40, 1648048), (64, 1030030), (68, 969440), (73, 903040), (80, 824024), (83, 794240), (85, 775552), (128, 515015), (136, 484720), (146, 451520), (160, 412012), (166, 397120), (170, 387776), (272, 242360), (292, 225760), (320, 206006), (332, 198560), (340, 193888), (365, 180608), (415, 158848), (544, 121180), (584, 112880), (640, 103003), (664, 99280), (680, 96944), (730, 90304), (830, 79424), (1088, 60590), (1168, 56440), (1241, 53120), (1328, 49640), (1360, 48472), (1411, 46720), (1460, 45152), (1660, 39712), (2176, 30295), (2336, 28220), (2482, 26560), (2656, 24820), (2720, 24236), (2822, 23360), (2920, 22576), (3320, 19856), (4672, 14110), (4964, 13280), (5312, 12410), (5440, 12118), (5644, 11680), (5840, 11288), (6059, 10880), (6205, 10624), (6640, 9928), (7055, 9344)]