77554960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 160

約数和(自身を含む): 223914240

約数和(自身を除く): 146359280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 37, 38, 40, 56, 70, 74, 76, 80, 95, 112, 133, 140, 148, 152, 185, 190, 197, 259, 266, 280, 296, 304, 370, 380, 394, 518, 532, 560, 592, 665, 703, 740, 760, 788, 985, 1036, 1064, 1295, 1330, 1379, 1406, 1480, 1520, 1576, 1970, 2072, 2128, 2590, 2660, 2758, 2812, 2960, 3152, 3515, 3743, 3940, 4144, 4921, 5180, 5320, 5516, 5624, 6895, 7030, 7289, 7486, 7880, 9842, 10360, 10640, 11032, 11248, 13790, 14060, 14578, 14972, 15760, 18715, 19684, 20720, 22064, 24605, 26201, 27580, 28120, 29156, 29944, 36445, 37430, 39368, 49210, 51023, 52402, 55160, 56240, 58312, 59888, 72890, 74860, 78736, 98420, 102046, 104804, 110320, 116624, 131005, 138491, 145780, 149720, 196840, 204092, 209608, 255115, 262010, 276982, 291560, 299440, 393680, 408184, 419216, 510230, 524020, 553964, 583120, 692455, 816368, 969437, 1020460, 1048040, 1107928, 1384910, 1938874, 2040920, 2096080, 2215856, 2769820, 3877748, 4081840, 4847185, 5539640, 7755496, 9694370, 11079280, 15510992, 19388740, 38777480, 77554960]

約数ペア:

[(1, 77554960), (2, 38777480), (4, 19388740), (5, 15510992), (7, 11079280), (8, 9694370), (10, 7755496), (14, 5539640), (16, 4847185), (19, 4081840), (20, 3877748), (28, 2769820), (35, 2215856), (37, 2096080), (38, 2040920), (40, 1938874), (56, 1384910), (70, 1107928), (74, 1048040), (76, 1020460), (80, 969437), (95, 816368), (112, 692455), (133, 583120), (140, 553964), (148, 524020), (152, 510230), (185, 419216), (190, 408184), (197, 393680), (259, 299440), (266, 291560), (280, 276982), (296, 262010), (304, 255115), (370, 209608), (380, 204092), (394, 196840), (518, 149720), (532, 145780), (560, 138491), (592, 131005), (665, 116624), (703, 110320), (740, 104804), (760, 102046), (788, 98420), (985, 78736), (1036, 74860), (1064, 72890), (1295, 59888), (1330, 58312), (1379, 56240), (1406, 55160), (1480, 52402), (1520, 51023), (1576, 49210), (1970, 39368), (2072, 37430), (2128, 36445), (2590, 29944), (2660, 29156), (2758, 28120), (2812, 27580), (2960, 26201), (3152, 24605), (3515, 22064), (3743, 20720), (3940, 19684), (4144, 18715), (4921, 15760), (5180, 14972), (5320, 14578), (5516, 14060), (5624, 13790), (6895, 11248), (7030, 11032), (7289, 10640), (7486, 10360), (7880, 9842)]