1540967680

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{311}}^1$

素因数の和:425

約数の個数: 216

約数和(自身を含む): 4362059520

約数和(自身を除く): 2821091840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 79, 80, 98, 112, 128, 140, 158, 160, 196, 224, 245, 256, 280, 311, 316, 320, 392, 395, 448, 490, 553, 560, 622, 632, 640, 784, 790, 896, 980, 1106, 1120, 1244, 1264, 1280, 1555, 1568, 1580, 1792, 1960, 2177, 2212, 2240, 2488, 2528, 2765, 3110, 3136, 3160, 3871, 3920, 4354, 4424, 4480, 4976, 5056, 5530, 6220, 6272, 6320, 7742, 7840, 8708, 8848, 8960, 9952, 10112, 10885, 11060, 12440, 12544, 12640, 15239, 15484, 15680, 17416, 17696, 19355, 19904, 20224, 21770, 22120, 24569, 24880, 25280, 30478, 30968, 31360, 34832, 35392, 38710, 39808, 43540, 44240, 49138, 49760, 50560, 60956, 61936, 62720, 69664, 70784, 76195, 77420, 79616, 87080, 88480, 98276, 99520, 101120, 121912, 122845, 123872, 139328, 141568, 152390, 154840, 171983, 174160, 176960, 196552, 199040, 243824, 245690, 247744, 278656, 304780, 309680, 343966, 348320, 353920, 393104, 398080, 487648, 491380, 495488, 557312, 609560, 619360, 687932, 696640, 707840, 786208, 859915, 975296, 982760, 990976, 1203881, 1219120, 1238720, 1375864, 1393280, 1572416, 1719830, 1950592, 1965520, 2407762, 2438240, 2477440, 2751728, 2786560, 3144832, 3439660, 3901184, 3931040, 4815524, 4876480, 4954880, 5503456, 6019405, 6289664, 6879320, 7862080, 9631048, 9752960, 11006912, 12038810, 13758640, 15724160, 19262096, 19505920, 22013824, 24077620, 27517280, 31448320, 38524192, 44027648, 48155240, 55034560, 77048384, 96310480, 110069120, 154096768, 192620960, 220138240, 308193536, 385241920, 770483840, 1540967680]

約数ペア:

[(1, 1540967680), (2, 770483840), (4, 385241920), (5, 308193536), (7, 220138240), (8, 192620960), (10, 154096768), (14, 110069120), (16, 96310480), (20, 77048384), (28, 55034560), (32, 48155240), (35, 44027648), (40, 38524192), (49, 31448320), (56, 27517280), (64, 24077620), (70, 22013824), (79, 19505920), (80, 19262096), (98, 15724160), (112, 13758640), (128, 12038810), (140, 11006912), (158, 9752960), (160, 9631048), (196, 7862080), (224, 6879320), (245, 6289664), (256, 6019405), (280, 5503456), (311, 4954880), (316, 4876480), (320, 4815524), (392, 3931040), (395, 3901184), (448, 3439660), (490, 3144832), (553, 2786560), (560, 2751728), (622, 2477440), (632, 2438240), (640, 2407762), (784, 1965520), (790, 1950592), (896, 1719830), (980, 1572416), (1106, 1393280), (1120, 1375864), (1244, 1238720), (1264, 1219120), (1280, 1203881), (1555, 990976), (1568, 982760), (1580, 975296), (1792, 859915), (1960, 786208), (2177, 707840), (2212, 696640), (2240, 687932), (2488, 619360), (2528, 609560), (2765, 557312), (3110, 495488), (3136, 491380), (3160, 487648), (3871, 398080), (3920, 393104), (4354, 353920), (4424, 348320), (4480, 343966), (4976, 309680), (5056, 304780), (5530, 278656), (6220, 247744), (6272, 245690), (6320, 243824), (7742, 199040), (7840, 196552), (8708, 176960), (8848, 174160), (8960, 171983), (9952, 154840), (10112, 152390), (10885, 141568), (11060, 139328), (12440, 123872), (12544, 122845), (12640, 121912), (15239, 101120), (15484, 99520), (15680, 98276), (17416, 88480), (17696, 87080), (19355, 79616), (19904, 77420), (20224, 76195), (21770, 70784), (22120, 69664), (24569, 62720), (24880, 61936), (25280, 60956), (30478, 50560), (30968, 49760), (31360, 49138), (34832, 44240), (35392, 43540), (38710, 39808)]