129191920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:551

約数の個数: 160

約数和(自身を含む): 368976384

約数和(自身を除く): 239784464

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 40, 44, 46, 52, 55, 65, 80, 88, 92, 104, 110, 115, 130, 143, 176, 184, 208, 220, 230, 253, 260, 286, 299, 368, 440, 460, 491, 506, 520, 572, 598, 715, 880, 920, 982, 1012, 1040, 1144, 1196, 1265, 1430, 1495, 1840, 1964, 2024, 2288, 2392, 2455, 2530, 2860, 2990, 3289, 3928, 4048, 4784, 4910, 5060, 5401, 5720, 5980, 6383, 6578, 7856, 9820, 10120, 10802, 11293, 11440, 11960, 12766, 13156, 16445, 19640, 20240, 21604, 22586, 23920, 25532, 26312, 27005, 31915, 32890, 39280, 43208, 45172, 51064, 52624, 54010, 56465, 63830, 65780, 70213, 86416, 90344, 102128, 108020, 112930, 124223, 127660, 131560, 140426, 146809, 180688, 216040, 225860, 248446, 255320, 263120, 280852, 293618, 351065, 432080, 451720, 496892, 510640, 561704, 587236, 621115, 702130, 734045, 903440, 993784, 1123408, 1174472, 1242230, 1404260, 1468090, 1614899, 1987568, 2348944, 2484460, 2808520, 2936180, 3229798, 4968920, 5617040, 5872360, 6459596, 8074495, 9937840, 11744720, 12919192, 16148990, 25838384, 32297980, 64595960, 129191920]

約数ペア:

[(1, 129191920), (2, 64595960), (4, 32297980), (5, 25838384), (8, 16148990), (10, 12919192), (11, 11744720), (13, 9937840), (16, 8074495), (20, 6459596), (22, 5872360), (23, 5617040), (26, 4968920), (40, 3229798), (44, 2936180), (46, 2808520), (52, 2484460), (55, 2348944), (65, 1987568), (80, 1614899), (88, 1468090), (92, 1404260), (104, 1242230), (110, 1174472), (115, 1123408), (130, 993784), (143, 903440), (176, 734045), (184, 702130), (208, 621115), (220, 587236), (230, 561704), (253, 510640), (260, 496892), (286, 451720), (299, 432080), (368, 351065), (440, 293618), (460, 280852), (491, 263120), (506, 255320), (520, 248446), (572, 225860), (598, 216040), (715, 180688), (880, 146809), (920, 140426), (982, 131560), (1012, 127660), (1040, 124223), (1144, 112930), (1196, 108020), (1265, 102128), (1430, 90344), (1495, 86416), (1840, 70213), (1964, 65780), (2024, 63830), (2288, 56465), (2392, 54010), (2455, 52624), (2530, 51064), (2860, 45172), (2990, 43208), (3289, 39280), (3928, 32890), (4048, 31915), (4784, 27005), (4910, 26312), (5060, 25532), (5401, 23920), (5720, 22586), (5980, 21604), (6383, 20240), (6578, 19640), (7856, 16445), (9820, 13156), (10120, 12766), (10802, 11960), (11293, 11440)]