31229520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:693

約数の個数: 160

約数和(自身を含む): 114635520

約数和(自身を除く): 83406000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 336, 348, 406, 420, 435, 464, 560, 580, 609, 641, 696, 812, 840, 870, 1015, 1160, 1218, 1282, 1392, 1624, 1680, 1740, 1923, 2030, 2320, 2436, 2564, 3045, 3205, 3248, 3480, 3846, 4060, 4487, 4872, 5128, 6090, 6410, 6960, 7692, 8120, 8974, 9615, 9744, 10256, 12180, 12820, 13461, 15384, 16240, 17948, 18589, 19230, 22435, 24360, 25640, 26922, 30768, 35896, 37178, 38460, 44870, 48720, 51280, 53844, 55767, 67305, 71792, 74356, 76920, 89740, 92945, 107688, 111534, 130123, 134610, 148712, 153840, 179480, 185890, 215376, 223068, 260246, 269220, 278835, 297424, 358960, 371780, 390369, 446136, 520492, 538440, 557670, 650615, 743560, 780738, 892272, 1040984, 1076880, 1115340, 1301230, 1487120, 1561476, 1951845, 2081968, 2230680, 2602460, 3122952, 3903690, 4461360, 5204920, 6245904, 7807380, 10409840, 15614760, 31229520]

約数ペア:

[(1, 31229520), (2, 15614760), (3, 10409840), (4, 7807380), (5, 6245904), (6, 5204920), (7, 4461360), (8, 3903690), (10, 3122952), (12, 2602460), (14, 2230680), (15, 2081968), (16, 1951845), (20, 1561476), (21, 1487120), (24, 1301230), (28, 1115340), (29, 1076880), (30, 1040984), (35, 892272), (40, 780738), (42, 743560), (48, 650615), (56, 557670), (58, 538440), (60, 520492), (70, 446136), (80, 390369), (84, 371780), (87, 358960), (105, 297424), (112, 278835), (116, 269220), (120, 260246), (140, 223068), (145, 215376), (168, 185890), (174, 179480), (203, 153840), (210, 148712), (232, 134610), (240, 130123), (280, 111534), (290, 107688), (336, 92945), (348, 89740), (406, 76920), (420, 74356), (435, 71792), (464, 67305), (560, 55767), (580, 53844), (609, 51280), (641, 48720), (696, 44870), (812, 38460), (840, 37178), (870, 35896), (1015, 30768), (1160, 26922), (1218, 25640), (1282, 24360), (1392, 22435), (1624, 19230), (1680, 18589), (1740, 17948), (1923, 16240), (2030, 15384), (2320, 13461), (2436, 12820), (2564, 12180), (3045, 10256), (3205, 9744), (3248, 9615), (3480, 8974), (3846, 8120), (4060, 7692), (4487, 6960), (4872, 6410), (5128, 6090)]