77281680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{293}}^1$

素因数の和:473

約数の個数: 160

約数和(自身を含む): 276482304

約数和(自身を除く): 199200624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 157, 168, 210, 240, 280, 293, 314, 336, 420, 471, 560, 586, 628, 785, 840, 879, 942, 1099, 1172, 1256, 1465, 1570, 1680, 1758, 1884, 2051, 2198, 2344, 2355, 2512, 2930, 3140, 3297, 3516, 3768, 4102, 4395, 4396, 4688, 4710, 5495, 5860, 6153, 6280, 6594, 7032, 7536, 8204, 8790, 8792, 9420, 10255, 10990, 11720, 12306, 12560, 13188, 14064, 16408, 16485, 17580, 17584, 18840, 20510, 21980, 23440, 24612, 26376, 30765, 32816, 32970, 35160, 37680, 41020, 43960, 46001, 49224, 52752, 61530, 65940, 70320, 82040, 87920, 92002, 98448, 123060, 131880, 138003, 164080, 184004, 230005, 246120, 263760, 276006, 322007, 368008, 460010, 492240, 552012, 644014, 690015, 736016, 920020, 966021, 1104024, 1288028, 1380030, 1610035, 1840040, 1932042, 2208048, 2576056, 2760060, 3220070, 3680080, 3864084, 4830105, 5152112, 5520120, 6440140, 7728168, 9660210, 11040240, 12880280, 15456336, 19320420, 25760560, 38640840, 77281680]

約数ペア:

[(1, 77281680), (2, 38640840), (3, 25760560), (4, 19320420), (5, 15456336), (6, 12880280), (7, 11040240), (8, 9660210), (10, 7728168), (12, 6440140), (14, 5520120), (15, 5152112), (16, 4830105), (20, 3864084), (21, 3680080), (24, 3220070), (28, 2760060), (30, 2576056), (35, 2208048), (40, 1932042), (42, 1840040), (48, 1610035), (56, 1380030), (60, 1288028), (70, 1104024), (80, 966021), (84, 920020), (105, 736016), (112, 690015), (120, 644014), (140, 552012), (157, 492240), (168, 460010), (210, 368008), (240, 322007), (280, 276006), (293, 263760), (314, 246120), (336, 230005), (420, 184004), (471, 164080), (560, 138003), (586, 131880), (628, 123060), (785, 98448), (840, 92002), (879, 87920), (942, 82040), (1099, 70320), (1172, 65940), (1256, 61530), (1465, 52752), (1570, 49224), (1680, 46001), (1758, 43960), (1884, 41020), (2051, 37680), (2198, 35160), (2344, 32970), (2355, 32816), (2512, 30765), (2930, 26376), (3140, 24612), (3297, 23440), (3516, 21980), (3768, 20510), (4102, 18840), (4395, 17584), (4396, 17580), (4688, 16485), (4710, 16408), (5495, 14064), (5860, 13188), (6153, 12560), (6280, 12306), (6594, 11720), (7032, 10990), (7536, 10255), (8204, 9420), (8790, 8792)]