64789920

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3461}}^1$

素因数の和:3495

約数の個数: 144

約数和(自身を含む): 238171752

約数和(自身を除く): 173381832

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 130, 144, 156, 160, 180, 195, 208, 234, 240, 260, 288, 312, 360, 390, 416, 468, 480, 520, 585, 624, 720, 780, 936, 1040, 1170, 1248, 1440, 1560, 1872, 2080, 2340, 3120, 3461, 3744, 4680, 6240, 6922, 9360, 10383, 13844, 17305, 18720, 20766, 27688, 31149, 34610, 41532, 44993, 51915, 55376, 62298, 69220, 83064, 89986, 103830, 110752, 124596, 134979, 138440, 155745, 166128, 179972, 207660, 224965, 249192, 269958, 276880, 311490, 332256, 359944, 404937, 415320, 449930, 498384, 539916, 553760, 622980, 674895, 719888, 809874, 830640, 899860, 996768, 1079832, 1245960, 1349790, 1439776, 1619748, 1661280, 1799720, 2024685, 2159664, 2491920, 2699580, 3239496, 3599440, 4049370, 4319328, 4983840, 5399160, 6478992, 7198880, 8098740, 10798320, 12957984, 16197480, 21596640, 32394960, 64789920]

約数ペア:

[(1, 64789920), (2, 32394960), (3, 21596640), (4, 16197480), (5, 12957984), (6, 10798320), (8, 8098740), (9, 7198880), (10, 6478992), (12, 5399160), (13, 4983840), (15, 4319328), (16, 4049370), (18, 3599440), (20, 3239496), (24, 2699580), (26, 2491920), (30, 2159664), (32, 2024685), (36, 1799720), (39, 1661280), (40, 1619748), (45, 1439776), (48, 1349790), (52, 1245960), (60, 1079832), (65, 996768), (72, 899860), (78, 830640), (80, 809874), (90, 719888), (96, 674895), (104, 622980), (117, 553760), (120, 539916), (130, 498384), (144, 449930), (156, 415320), (160, 404937), (180, 359944), (195, 332256), (208, 311490), (234, 276880), (240, 269958), (260, 249192), (288, 224965), (312, 207660), (360, 179972), (390, 166128), (416, 155745), (468, 138440), (480, 134979), (520, 124596), (585, 110752), (624, 103830), (720, 89986), (780, 83064), (936, 69220), (1040, 62298), (1170, 55376), (1248, 51915), (1440, 44993), (1560, 41532), (1872, 34610), (2080, 31149), (2340, 27688), (3120, 20766), (3461, 18720), (3744, 17305), (4680, 13844), (6240, 10383), (6922, 9360)]