21509418360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1\times {\mathrm{9127}}^1$

素因数の和:9661

約数の個数: 128

約数和(自身を含む): 66247372800

約数和(自身を除く): 44737954440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 120, 123, 164, 205, 246, 328, 410, 479, 492, 615, 820, 958, 984, 1230, 1437, 1640, 1916, 2395, 2460, 2874, 3832, 4790, 4920, 5748, 7185, 9127, 9580, 11496, 14370, 18254, 19160, 19639, 27381, 28740, 36508, 39278, 45635, 54762, 57480, 58917, 73016, 78556, 91270, 98195, 109524, 117834, 136905, 157112, 182540, 196390, 219048, 235668, 273810, 294585, 365080, 374207, 392780, 471336, 547620, 589170, 748414, 785560, 1095240, 1122621, 1178340, 1496828, 1871035, 2245242, 2356680, 2993656, 3742070, 4371833, 4490484, 5613105, 7484140, 8743666, 8980968, 11226210, 13115499, 14968280, 17487332, 21859165, 22452420, 26230998, 34974664, 43718330, 44904840, 52461996, 65577495, 87436660, 104923992, 131154990, 174873320, 179245153, 262309980, 358490306, 524619960, 537735459, 716980612, 896225765, 1075470918, 1433961224, 1792451530, 2150941836, 2688677295, 3584903060, 4301883672, 5377354590, 7169806120, 10754709180, 21509418360]

約数ペア:

[(1, 21509418360), (2, 10754709180), (3, 7169806120), (4, 5377354590), (5, 4301883672), (6, 3584903060), (8, 2688677295), (10, 2150941836), (12, 1792451530), (15, 1433961224), (20, 1075470918), (24, 896225765), (30, 716980612), (40, 537735459), (41, 524619960), (60, 358490306), (82, 262309980), (120, 179245153), (123, 174873320), (164, 131154990), (205, 104923992), (246, 87436660), (328, 65577495), (410, 52461996), (479, 44904840), (492, 43718330), (615, 34974664), (820, 26230998), (958, 22452420), (984, 21859165), (1230, 17487332), (1437, 14968280), (1640, 13115499), (1916, 11226210), (2395, 8980968), (2460, 8743666), (2874, 7484140), (3832, 5613105), (4790, 4490484), (4920, 4371833), (5748, 3742070), (7185, 2993656), (9127, 2356680), (9580, 2245242), (11496, 1871035), (14370, 1496828), (18254, 1178340), (19160, 1122621), (19639, 1095240), (27381, 785560), (28740, 748414), (36508, 589170), (39278, 547620), (45635, 471336), (54762, 392780), (57480, 374207), (58917, 365080), (73016, 294585), (78556, 273810), (91270, 235668), (98195, 219048), (109524, 196390), (117834, 182540), (136905, 157112)]