17854720

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:100

約数の個数: 144

約数和(自身を含む): 48933360

約数和(自身を除く): 31078640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 37, 40, 52, 58, 64, 65, 74, 80, 104, 116, 128, 130, 145, 148, 160, 185, 208, 232, 256, 260, 290, 296, 320, 370, 377, 416, 464, 481, 520, 580, 592, 640, 740, 754, 832, 928, 962, 1040, 1073, 1160, 1184, 1280, 1480, 1508, 1664, 1856, 1885, 1924, 2080, 2146, 2320, 2368, 2405, 2960, 3016, 3328, 3712, 3770, 3848, 4160, 4292, 4640, 4736, 4810, 5365, 5920, 6032, 7424, 7540, 7696, 8320, 8584, 9280, 9472, 9620, 10730, 11840, 12064, 13949, 15080, 15392, 16640, 17168, 18560, 19240, 21460, 23680, 24128, 27898, 30160, 30784, 34336, 37120, 38480, 42920, 47360, 48256, 55796, 60320, 61568, 68672, 69745, 76960, 85840, 96512, 111592, 120640, 123136, 137344, 139490, 153920, 171680, 223184, 241280, 274688, 278980, 307840, 343360, 446368, 482560, 557960, 615680, 686720, 892736, 1115920, 1373440, 1785472, 2231840, 3570944, 4463680, 8927360, 17854720]

約数ペア:

[(1, 17854720), (2, 8927360), (4, 4463680), (5, 3570944), (8, 2231840), (10, 1785472), (13, 1373440), (16, 1115920), (20, 892736), (26, 686720), (29, 615680), (32, 557960), (37, 482560), (40, 446368), (52, 343360), (58, 307840), (64, 278980), (65, 274688), (74, 241280), (80, 223184), (104, 171680), (116, 153920), (128, 139490), (130, 137344), (145, 123136), (148, 120640), (160, 111592), (185, 96512), (208, 85840), (232, 76960), (256, 69745), (260, 68672), (290, 61568), (296, 60320), (320, 55796), (370, 48256), (377, 47360), (416, 42920), (464, 38480), (481, 37120), (520, 34336), (580, 30784), (592, 30160), (640, 27898), (740, 24128), (754, 23680), (832, 21460), (928, 19240), (962, 18560), (1040, 17168), (1073, 16640), (1160, 15392), (1184, 15080), (1280, 13949), (1480, 12064), (1508, 11840), (1664, 10730), (1856, 9620), (1885, 9472), (1924, 9280), (2080, 8584), (2146, 8320), (2320, 7696), (2368, 7540), (2405, 7424), (2960, 6032), (3016, 5920), (3328, 5365), (3712, 4810), (3770, 4736), (3848, 4640), (4160, 4292)]