68501840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:301

約数の個数: 160

約数和(自身を含む): 194451840

約数和(自身を除く): 125950000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 95, 110, 136, 152, 170, 176, 187, 190, 209, 220, 241, 272, 304, 323, 340, 374, 380, 418, 440, 482, 646, 680, 748, 760, 836, 880, 935, 964, 1045, 1205, 1292, 1360, 1496, 1520, 1615, 1672, 1870, 1928, 2090, 2410, 2584, 2651, 2992, 3230, 3344, 3553, 3740, 3856, 4097, 4180, 4579, 4820, 5168, 5302, 6460, 7106, 7480, 8194, 8360, 9158, 9640, 10604, 12920, 13255, 14212, 14960, 16388, 16720, 17765, 18316, 19280, 20485, 21208, 22895, 25840, 26510, 28424, 32776, 35530, 36632, 40970, 42416, 45067, 45790, 50369, 53020, 56848, 65552, 71060, 73264, 77843, 81940, 90134, 91580, 100738, 106040, 142120, 155686, 163880, 180268, 183160, 201476, 212080, 225335, 251845, 284240, 311372, 327760, 360536, 366320, 389215, 402952, 450670, 503690, 622744, 721072, 778430, 805904, 856273, 901340, 1007380, 1245488, 1556860, 1712546, 1802680, 2014760, 3113720, 3425092, 3605360, 4029520, 4281365, 6227440, 6850184, 8562730, 13700368, 17125460, 34250920, 68501840]

約数ペア:

[(1, 68501840), (2, 34250920), (4, 17125460), (5, 13700368), (8, 8562730), (10, 6850184), (11, 6227440), (16, 4281365), (17, 4029520), (19, 3605360), (20, 3425092), (22, 3113720), (34, 2014760), (38, 1802680), (40, 1712546), (44, 1556860), (55, 1245488), (68, 1007380), (76, 901340), (80, 856273), (85, 805904), (88, 778430), (95, 721072), (110, 622744), (136, 503690), (152, 450670), (170, 402952), (176, 389215), (187, 366320), (190, 360536), (209, 327760), (220, 311372), (241, 284240), (272, 251845), (304, 225335), (323, 212080), (340, 201476), (374, 183160), (380, 180268), (418, 163880), (440, 155686), (482, 142120), (646, 106040), (680, 100738), (748, 91580), (760, 90134), (836, 81940), (880, 77843), (935, 73264), (964, 71060), (1045, 65552), (1205, 56848), (1292, 53020), (1360, 50369), (1496, 45790), (1520, 45067), (1615, 42416), (1672, 40970), (1870, 36632), (1928, 35530), (2090, 32776), (2410, 28424), (2584, 26510), (2651, 25840), (2992, 22895), (3230, 21208), (3344, 20485), (3553, 19280), (3740, 18316), (3856, 17765), (4097, 16720), (4180, 16388), (4579, 14960), (4820, 14212), (5168, 13255), (5302, 12920), (6460, 10604), (7106, 9640), (7480, 9158), (8194, 8360)]