164608640

素因数分解:

$2^7\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{181}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 476166600

約数和(自身を除く): 311557960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 49, 56, 58, 64, 70, 80, 98, 112, 116, 128, 140, 145, 160, 181, 196, 203, 224, 232, 245, 280, 290, 320, 362, 392, 406, 448, 464, 490, 560, 580, 640, 724, 784, 812, 896, 905, 928, 980, 1015, 1120, 1160, 1267, 1421, 1448, 1568, 1624, 1810, 1856, 1960, 2030, 2240, 2320, 2534, 2842, 2896, 3136, 3248, 3620, 3712, 3920, 4060, 4480, 4640, 5068, 5249, 5684, 5792, 6272, 6335, 6496, 7105, 7240, 7840, 8120, 8869, 9280, 10136, 10498, 11368, 11584, 12670, 12992, 14210, 14480, 15680, 16240, 17738, 18560, 20272, 20996, 22736, 23168, 25340, 25984, 26245, 28420, 28960, 31360, 32480, 35476, 36743, 40544, 41992, 44345, 45472, 50680, 52490, 56840, 57920, 64960, 70952, 73486, 81088, 83984, 88690, 90944, 101360, 104980, 113680, 115840, 129920, 141904, 146972, 162176, 167968, 177380, 181888, 183715, 202720, 209960, 227360, 257201, 283808, 293944, 335936, 354760, 367430, 405440, 419920, 454720, 514402, 567616, 587888, 671872, 709520, 734860, 810880, 839840, 909440, 1028804, 1135232, 1175776, 1286005, 1419040, 1469720, 1679680, 2057608, 2351552, 2572010, 2838080, 2939440, 3359360, 4115216, 4703104, 5144020, 5676160, 5878880, 8230432, 10288040, 11757760, 16460864, 20576080, 23515520, 32921728, 41152160, 82304320, 164608640]

約数ペア:

[(1, 164608640), (2, 82304320), (4, 41152160), (5, 32921728), (7, 23515520), (8, 20576080), (10, 16460864), (14, 11757760), (16, 10288040), (20, 8230432), (28, 5878880), (29, 5676160), (32, 5144020), (35, 4703104), (40, 4115216), (49, 3359360), (56, 2939440), (58, 2838080), (64, 2572010), (70, 2351552), (80, 2057608), (98, 1679680), (112, 1469720), (116, 1419040), (128, 1286005), (140, 1175776), (145, 1135232), (160, 1028804), (181, 909440), (196, 839840), (203, 810880), (224, 734860), (232, 709520), (245, 671872), (280, 587888), (290, 567616), (320, 514402), (362, 454720), (392, 419920), (406, 405440), (448, 367430), (464, 354760), (490, 335936), (560, 293944), (580, 283808), (640, 257201), (724, 227360), (784, 209960), (812, 202720), (896, 183715), (905, 181888), (928, 177380), (980, 167968), (1015, 162176), (1120, 146972), (1160, 141904), (1267, 129920), (1421, 115840), (1448, 113680), (1568, 104980), (1624, 101360), (1810, 90944), (1856, 88690), (1960, 83984), (2030, 81088), (2240, 73486), (2320, 70952), (2534, 64960), (2842, 57920), (2896, 56840), (3136, 52490), (3248, 50680), (3620, 45472), (3712, 44345), (3920, 41992), (4060, 40544), (4480, 36743), (4640, 35476), (5068, 32480), (5249, 31360), (5684, 28960), (5792, 28420), (6272, 26245), (6335, 25984), (6496, 25340), (7105, 23168), (7240, 22736), (7840, 20996), (8120, 20272), (8869, 18560), (9280, 17738), (10136, 16240), (10498, 15680), (11368, 14480), (11584, 14210), (12670, 12992)]