2478470120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{12109}}^1$

素因数の和:12187

約数の個数: 128

約数和(自身を含む): 6905606400

約数和(自身を除く): 4427136280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 43, 56, 68, 70, 85, 86, 119, 136, 140, 170, 172, 215, 238, 280, 301, 340, 344, 430, 476, 595, 602, 680, 731, 860, 952, 1190, 1204, 1462, 1505, 1720, 2380, 2408, 2924, 3010, 3655, 4760, 5117, 5848, 6020, 7310, 10234, 12040, 12109, 14620, 20468, 24218, 25585, 29240, 40936, 48436, 51170, 60545, 84763, 96872, 102340, 121090, 169526, 204680, 205853, 242180, 339052, 411706, 423815, 484360, 520687, 678104, 823412, 847630, 1029265, 1041374, 1440971, 1646824, 1695260, 2058530, 2082748, 2603435, 2881942, 3390520, 3644809, 4117060, 4165496, 5206870, 5763884, 7204855, 7289618, 8234120, 8851679, 10413740, 11527768, 14409710, 14579236, 17703358, 18224045, 20827480, 28819420, 29158472, 35406716, 36448090, 44258395, 57638840, 61961753, 70813432, 72896180, 88516790, 123923506, 145792360, 177033580, 247847012, 309808765, 354067160, 495694024, 619617530, 1239235060, 2478470120]

約数ペア:

[(1, 2478470120), (2, 1239235060), (4, 619617530), (5, 495694024), (7, 354067160), (8, 309808765), (10, 247847012), (14, 177033580), (17, 145792360), (20, 123923506), (28, 88516790), (34, 72896180), (35, 70813432), (40, 61961753), (43, 57638840), (56, 44258395), (68, 36448090), (70, 35406716), (85, 29158472), (86, 28819420), (119, 20827480), (136, 18224045), (140, 17703358), (170, 14579236), (172, 14409710), (215, 11527768), (238, 10413740), (280, 8851679), (301, 8234120), (340, 7289618), (344, 7204855), (430, 5763884), (476, 5206870), (595, 4165496), (602, 4117060), (680, 3644809), (731, 3390520), (860, 2881942), (952, 2603435), (1190, 2082748), (1204, 2058530), (1462, 1695260), (1505, 1646824), (1720, 1440971), (2380, 1041374), (2408, 1029265), (2924, 847630), (3010, 823412), (3655, 678104), (4760, 520687), (5117, 484360), (5848, 423815), (6020, 411706), (7310, 339052), (10234, 242180), (12040, 205853), (12109, 204680), (14620, 169526), (20468, 121090), (24218, 102340), (25585, 96872), (29240, 84763), (40936, 60545), (48436, 51170)]