138810880

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 160

約数和(自身を含む): 370538784

約数和(自身を除く): 231727904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 97, 104, 128, 130, 160, 172, 194, 208, 215, 256, 260, 320, 344, 388, 416, 430, 485, 512, 520, 559, 640, 688, 776, 832, 860, 970, 1040, 1118, 1261, 1280, 1376, 1552, 1664, 1720, 1940, 2080, 2236, 2522, 2560, 2752, 2795, 3104, 3328, 3440, 3880, 4160, 4171, 4472, 5044, 5504, 5590, 6208, 6305, 6656, 6880, 7760, 8320, 8342, 8944, 10088, 11008, 11180, 12416, 12610, 13760, 15520, 16640, 16684, 17888, 20176, 20855, 22016, 22360, 24832, 25220, 27520, 31040, 33280, 33368, 35776, 40352, 41710, 44720, 49664, 50440, 54223, 55040, 62080, 66736, 71552, 80704, 83420, 89440, 100880, 108446, 110080, 124160, 133472, 143104, 161408, 166840, 178880, 201760, 216892, 248320, 266944, 271115, 286208, 322816, 333680, 357760, 403520, 433784, 533888, 542230, 645632, 667360, 715520, 807040, 867568, 1067776, 1084460, 1334720, 1431040, 1614080, 1735136, 2135552, 2168920, 2669440, 3228160, 3470272, 4337840, 5338880, 6940544, 8675680, 10677760, 13881088, 17351360, 27762176, 34702720, 69405440, 138810880]

約数ペア:

[(1, 138810880), (2, 69405440), (4, 34702720), (5, 27762176), (8, 17351360), (10, 13881088), (13, 10677760), (16, 8675680), (20, 6940544), (26, 5338880), (32, 4337840), (40, 3470272), (43, 3228160), (52, 2669440), (64, 2168920), (65, 2135552), (80, 1735136), (86, 1614080), (97, 1431040), (104, 1334720), (128, 1084460), (130, 1067776), (160, 867568), (172, 807040), (194, 715520), (208, 667360), (215, 645632), (256, 542230), (260, 533888), (320, 433784), (344, 403520), (388, 357760), (416, 333680), (430, 322816), (485, 286208), (512, 271115), (520, 266944), (559, 248320), (640, 216892), (688, 201760), (776, 178880), (832, 166840), (860, 161408), (970, 143104), (1040, 133472), (1118, 124160), (1261, 110080), (1280, 108446), (1376, 100880), (1552, 89440), (1664, 83420), (1720, 80704), (1940, 71552), (2080, 66736), (2236, 62080), (2522, 55040), (2560, 54223), (2752, 50440), (2795, 49664), (3104, 44720), (3328, 41710), (3440, 40352), (3880, 35776), (4160, 33368), (4171, 33280), (4472, 31040), (5044, 27520), (5504, 25220), (5590, 24832), (6208, 22360), (6305, 22016), (6656, 20855), (6880, 20176), (7760, 17888), (8320, 16684), (8342, 16640), (8944, 15520), (10088, 13760), (11008, 12610), (11180, 12416)]