20754186240

素因数分解:

$2^{14}\times 3^1\times 5^1\times {\mathrm{84449}}^1$

素因数の和:84485

約数の個数: 120

約数和(自身を含む): 66412155600

約数和(自身を除く): 45657969360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2048, 2560, 3072, 3840, 4096, 5120, 6144, 7680, 8192, 10240, 12288, 15360, 16384, 20480, 24576, 30720, 40960, 49152, 61440, 81920, 84449, 122880, 168898, 245760, 253347, 337796, 422245, 506694, 675592, 844490, 1013388, 1266735, 1351184, 1688980, 2026776, 2533470, 2702368, 3377960, 4053552, 5066940, 5404736, 6755920, 8107104, 10133880, 10809472, 13511840, 16214208, 20267760, 21618944, 27023680, 32428416, 40535520, 43237888, 54047360, 64856832, 81071040, 86475776, 108094720, 129713664, 162142080, 172951552, 216189440, 259427328, 324284160, 345903104, 432378880, 518854656, 648568320, 691806208, 864757760, 1037709312, 1297136640, 1383612416, 1729515520, 2075418624, 2594273280, 3459031040, 4150837248, 5188546560, 6918062080, 10377093120, 20754186240]

約数ペア:

[(1, 20754186240), (2, 10377093120), (3, 6918062080), (4, 5188546560), (5, 4150837248), (6, 3459031040), (8, 2594273280), (10, 2075418624), (12, 1729515520), (15, 1383612416), (16, 1297136640), (20, 1037709312), (24, 864757760), (30, 691806208), (32, 648568320), (40, 518854656), (48, 432378880), (60, 345903104), (64, 324284160), (80, 259427328), (96, 216189440), (120, 172951552), (128, 162142080), (160, 129713664), (192, 108094720), (240, 86475776), (256, 81071040), (320, 64856832), (384, 54047360), (480, 43237888), (512, 40535520), (640, 32428416), (768, 27023680), (960, 21618944), (1024, 20267760), (1280, 16214208), (1536, 13511840), (1920, 10809472), (2048, 10133880), (2560, 8107104), (3072, 6755920), (3840, 5404736), (4096, 5066940), (5120, 4053552), (6144, 3377960), (7680, 2702368), (8192, 2533470), (10240, 2026776), (12288, 1688980), (15360, 1351184), (16384, 1266735), (20480, 1013388), (24576, 844490), (30720, 675592), (40960, 506694), (49152, 422245), (61440, 337796), (81920, 253347), (84449, 245760), (122880, 168898)]