8437520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1$

素因数の和:113

約数の個数: 160

約数和(自身を含む): 25831680

約数和(自身を除く): 17394160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 35, 38, 40, 52, 56, 61, 65, 70, 76, 80, 91, 95, 104, 112, 122, 130, 133, 140, 152, 182, 190, 208, 244, 247, 260, 266, 280, 304, 305, 364, 380, 427, 455, 488, 494, 520, 532, 560, 610, 665, 728, 760, 793, 854, 910, 976, 988, 1040, 1064, 1159, 1220, 1235, 1330, 1456, 1520, 1586, 1708, 1729, 1820, 1976, 2128, 2135, 2318, 2440, 2470, 2660, 3172, 3416, 3458, 3640, 3952, 3965, 4270, 4636, 4880, 4940, 5320, 5551, 5795, 6344, 6832, 6916, 7280, 7930, 8113, 8540, 8645, 9272, 9880, 10640, 11102, 11590, 12688, 13832, 15067, 15860, 16226, 17080, 17290, 18544, 19760, 22204, 23180, 27664, 27755, 30134, 31720, 32452, 34160, 34580, 40565, 44408, 46360, 55510, 60268, 63440, 64904, 69160, 75335, 81130, 88816, 92720, 105469, 111020, 120536, 129808, 138320, 150670, 162260, 210938, 222040, 241072, 301340, 324520, 421876, 444080, 527345, 602680, 649040, 843752, 1054690, 1205360, 1687504, 2109380, 4218760, 8437520]

約数ペア:

[(1, 8437520), (2, 4218760), (4, 2109380), (5, 1687504), (7, 1205360), (8, 1054690), (10, 843752), (13, 649040), (14, 602680), (16, 527345), (19, 444080), (20, 421876), (26, 324520), (28, 301340), (35, 241072), (38, 222040), (40, 210938), (52, 162260), (56, 150670), (61, 138320), (65, 129808), (70, 120536), (76, 111020), (80, 105469), (91, 92720), (95, 88816), (104, 81130), (112, 75335), (122, 69160), (130, 64904), (133, 63440), (140, 60268), (152, 55510), (182, 46360), (190, 44408), (208, 40565), (244, 34580), (247, 34160), (260, 32452), (266, 31720), (280, 30134), (304, 27755), (305, 27664), (364, 23180), (380, 22204), (427, 19760), (455, 18544), (488, 17290), (494, 17080), (520, 16226), (532, 15860), (560, 15067), (610, 13832), (665, 12688), (728, 11590), (760, 11102), (793, 10640), (854, 9880), (910, 9272), (976, 8645), (988, 8540), (1040, 8113), (1064, 7930), (1159, 7280), (1220, 6916), (1235, 6832), (1330, 6344), (1456, 5795), (1520, 5551), (1586, 5320), (1708, 4940), (1729, 4880), (1820, 4636), (1976, 4270), (2128, 3965), (2135, 3952), (2318, 3640), (2440, 3458), (2470, 3416), (2660, 3172)]