64511720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1$

素因数の和:547

約数の個数: 128

約数和(自身を含む): 183859200

約数和(自身を除く): 119347480

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 479, 481, 518, 520, 728, 740, 910, 958, 962, 1036, 1295, 1480, 1820, 1916, 1924, 2072, 2395, 2405, 2590, 3353, 3367, 3640, 3832, 3848, 4790, 4810, 5180, 6227, 6706, 6734, 9580, 9620, 10360, 12454, 13412, 13468, 16765, 16835, 17723, 19160, 19240, 24908, 26824, 26936, 31135, 33530, 33670, 35446, 43589, 49816, 62270, 67060, 67340, 70892, 87178, 88615, 124061, 124540, 134120, 134680, 141784, 174356, 177230, 217945, 230399, 248122, 249080, 348712, 354460, 435890, 460798, 496244, 620305, 708920, 871780, 921596, 992488, 1151995, 1240610, 1612793, 1743560, 1843192, 2303990, 2481220, 3225586, 4607980, 4962440, 6451172, 8063965, 9215960, 12902344, 16127930, 32255860, 64511720]

約数ペア:

[(1, 64511720), (2, 32255860), (4, 16127930), (5, 12902344), (7, 9215960), (8, 8063965), (10, 6451172), (13, 4962440), (14, 4607980), (20, 3225586), (26, 2481220), (28, 2303990), (35, 1843192), (37, 1743560), (40, 1612793), (52, 1240610), (56, 1151995), (65, 992488), (70, 921596), (74, 871780), (91, 708920), (104, 620305), (130, 496244), (140, 460798), (148, 435890), (182, 354460), (185, 348712), (259, 249080), (260, 248122), (280, 230399), (296, 217945), (364, 177230), (370, 174356), (455, 141784), (479, 134680), (481, 134120), (518, 124540), (520, 124061), (728, 88615), (740, 87178), (910, 70892), (958, 67340), (962, 67060), (1036, 62270), (1295, 49816), (1480, 43589), (1820, 35446), (1916, 33670), (1924, 33530), (2072, 31135), (2395, 26936), (2405, 26824), (2590, 24908), (3353, 19240), (3367, 19160), (3640, 17723), (3832, 16835), (3848, 16765), (4790, 13468), (4810, 13412), (5180, 12454), (6227, 10360), (6706, 9620), (6734, 9580)]