204552160

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:668

約数の個数: 96

約数和(自身を含む): 516015360

約数和(自身を除く): 311463200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 157, 160, 170, 272, 314, 340, 479, 544, 628, 680, 785, 958, 1256, 1360, 1570, 1916, 2395, 2512, 2669, 2720, 3140, 3832, 4790, 5024, 5338, 6280, 7664, 8143, 9580, 10676, 12560, 13345, 15328, 16286, 19160, 21352, 25120, 26690, 32572, 38320, 40715, 42704, 53380, 65144, 75203, 76640, 81430, 85408, 106760, 130288, 150406, 162860, 213520, 260576, 300812, 325720, 376015, 427040, 601624, 651440, 752030, 1203248, 1278451, 1302880, 1504060, 2406496, 2556902, 3008120, 5113804, 6016240, 6392255, 10227608, 12032480, 12784510, 20455216, 25569020, 40910432, 51138040, 102276080, 204552160]

約数ペア:

[(1, 204552160), (2, 102276080), (4, 51138040), (5, 40910432), (8, 25569020), (10, 20455216), (16, 12784510), (17, 12032480), (20, 10227608), (32, 6392255), (34, 6016240), (40, 5113804), (68, 3008120), (80, 2556902), (85, 2406496), (136, 1504060), (157, 1302880), (160, 1278451), (170, 1203248), (272, 752030), (314, 651440), (340, 601624), (479, 427040), (544, 376015), (628, 325720), (680, 300812), (785, 260576), (958, 213520), (1256, 162860), (1360, 150406), (1570, 130288), (1916, 106760), (2395, 85408), (2512, 81430), (2669, 76640), (2720, 75203), (3140, 65144), (3832, 53380), (4790, 42704), (5024, 40715), (5338, 38320), (6280, 32572), (7664, 26690), (8143, 25120), (9580, 21352), (10676, 19160), (12560, 16286), (13345, 15328)]