64664880

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{631}}^1$

素因数の和:715

約数の個数: 160

約数和(自身を含む): 233223168

約数和(自身を除く): 168558288

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, 61, 70, 80, 84, 105, 112, 120, 122, 140, 168, 183, 210, 240, 244, 280, 305, 336, 366, 420, 427, 488, 560, 610, 631, 732, 840, 854, 915, 976, 1220, 1262, 1281, 1464, 1680, 1708, 1830, 1893, 2135, 2440, 2524, 2562, 2928, 3155, 3416, 3660, 3786, 4270, 4417, 4880, 5048, 5124, 6310, 6405, 6832, 7320, 7572, 8540, 8834, 9465, 10096, 10248, 12620, 12810, 13251, 14640, 15144, 17080, 17668, 18930, 20496, 22085, 25240, 25620, 26502, 30288, 34160, 35336, 37860, 38491, 44170, 50480, 51240, 53004, 66255, 70672, 75720, 76982, 88340, 102480, 106008, 115473, 132510, 151440, 153964, 176680, 192455, 212016, 230946, 265020, 269437, 307928, 353360, 384910, 461892, 530040, 538874, 577365, 615856, 769820, 808311, 923784, 1060080, 1077748, 1154730, 1347185, 1539640, 1616622, 1847568, 2155496, 2309460, 2694370, 3079280, 3233244, 4041555, 4310992, 4618920, 5388740, 6466488, 8083110, 9237840, 10777480, 12932976, 16166220, 21554960, 32332440, 64664880]

約数ペア:

[(1, 64664880), (2, 32332440), (3, 21554960), (4, 16166220), (5, 12932976), (6, 10777480), (7, 9237840), (8, 8083110), (10, 6466488), (12, 5388740), (14, 4618920), (15, 4310992), (16, 4041555), (20, 3233244), (21, 3079280), (24, 2694370), (28, 2309460), (30, 2155496), (35, 1847568), (40, 1616622), (42, 1539640), (48, 1347185), (56, 1154730), (60, 1077748), (61, 1060080), (70, 923784), (80, 808311), (84, 769820), (105, 615856), (112, 577365), (120, 538874), (122, 530040), (140, 461892), (168, 384910), (183, 353360), (210, 307928), (240, 269437), (244, 265020), (280, 230946), (305, 212016), (336, 192455), (366, 176680), (420, 153964), (427, 151440), (488, 132510), (560, 115473), (610, 106008), (631, 102480), (732, 88340), (840, 76982), (854, 75720), (915, 70672), (976, 66255), (1220, 53004), (1262, 51240), (1281, 50480), (1464, 44170), (1680, 38491), (1708, 37860), (1830, 35336), (1893, 34160), (2135, 30288), (2440, 26502), (2524, 25620), (2562, 25240), (2928, 22085), (3155, 20496), (3416, 18930), (3660, 17668), (3786, 17080), (4270, 15144), (4417, 14640), (4880, 13251), (5048, 12810), (5124, 12620), (6310, 10248), (6405, 10096), (6832, 9465), (7320, 8834), (7572, 8540)]