30720480

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 192

約数和(自身を含む): 113799168

約数和(自身を除く): 83078688

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 41, 42, 48, 56, 60, 70, 80, 82, 84, 96, 105, 112, 120, 123, 140, 160, 164, 168, 205, 210, 223, 224, 240, 246, 280, 287, 328, 336, 410, 420, 446, 480, 492, 560, 574, 615, 656, 669, 672, 820, 840, 861, 892, 984, 1115, 1120, 1148, 1230, 1312, 1338, 1435, 1561, 1640, 1680, 1722, 1784, 1968, 2230, 2296, 2460, 2676, 2870, 3122, 3280, 3345, 3360, 3444, 3568, 3936, 4305, 4460, 4592, 4683, 4920, 5352, 5740, 6244, 6560, 6690, 6888, 7136, 7805, 8610, 8920, 9143, 9184, 9366, 9840, 10704, 11480, 12488, 13380, 13776, 15610, 17220, 17840, 18286, 18732, 19680, 21408, 22960, 23415, 24976, 26760, 27429, 27552, 31220, 34440, 35680, 36572, 37464, 45715, 45920, 46830, 49952, 53520, 54858, 62440, 64001, 68880, 73144, 74928, 91430, 93660, 107040, 109716, 124880, 128002, 137145, 137760, 146288, 149856, 182860, 187320, 192003, 219432, 249760, 256004, 274290, 292576, 320005, 365720, 374640, 384006, 438864, 512008, 548580, 640010, 731440, 749280, 768012, 877728, 960015, 1024016, 1097160, 1280020, 1462880, 1536024, 1920030, 2048032, 2194320, 2560040, 3072048, 3840060, 4388640, 5120080, 6144096, 7680120, 10240160, 15360240, 30720480]

約数ペア:

[(1, 30720480), (2, 15360240), (3, 10240160), (4, 7680120), (5, 6144096), (6, 5120080), (7, 4388640), (8, 3840060), (10, 3072048), (12, 2560040), (14, 2194320), (15, 2048032), (16, 1920030), (20, 1536024), (21, 1462880), (24, 1280020), (28, 1097160), (30, 1024016), (32, 960015), (35, 877728), (40, 768012), (41, 749280), (42, 731440), (48, 640010), (56, 548580), (60, 512008), (70, 438864), (80, 384006), (82, 374640), (84, 365720), (96, 320005), (105, 292576), (112, 274290), (120, 256004), (123, 249760), (140, 219432), (160, 192003), (164, 187320), (168, 182860), (205, 149856), (210, 146288), (223, 137760), (224, 137145), (240, 128002), (246, 124880), (280, 109716), (287, 107040), (328, 93660), (336, 91430), (410, 74928), (420, 73144), (446, 68880), (480, 64001), (492, 62440), (560, 54858), (574, 53520), (615, 49952), (656, 46830), (669, 45920), (672, 45715), (820, 37464), (840, 36572), (861, 35680), (892, 34440), (984, 31220), (1115, 27552), (1120, 27429), (1148, 26760), (1230, 24976), (1312, 23415), (1338, 22960), (1435, 21408), (1561, 19680), (1640, 18732), (1680, 18286), (1722, 17840), (1784, 17220), (1968, 15610), (2230, 13776), (2296, 13380), (2460, 12488), (2676, 11480), (2870, 10704), (3122, 9840), (3280, 9366), (3345, 9184), (3360, 9143), (3444, 8920), (3568, 8610), (3936, 7805), (4305, 7136), (4460, 6888), (4592, 6690), (4683, 6560), (4920, 6244), (5352, 5740)]