209964240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:482

約数の個数: 240

約数和(自身を含む): 761379840

約数和(自身を除く): 551415600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 31, 36, 40, 45, 46, 48, 60, 62, 69, 72, 80, 90, 92, 93, 115, 120, 124, 138, 144, 155, 180, 184, 186, 207, 230, 240, 248, 276, 279, 310, 345, 360, 368, 372, 409, 414, 460, 465, 496, 552, 558, 620, 690, 713, 720, 744, 818, 828, 920, 930, 1035, 1104, 1116, 1227, 1240, 1380, 1395, 1426, 1488, 1636, 1656, 1840, 1860, 2045, 2070, 2139, 2232, 2454, 2480, 2760, 2790, 2852, 3272, 3312, 3565, 3681, 3720, 4090, 4140, 4278, 4464, 4908, 5520, 5580, 5704, 6135, 6417, 6544, 7130, 7362, 7440, 8180, 8280, 8556, 9407, 9816, 10695, 11160, 11408, 12270, 12679, 12834, 14260, 14724, 16360, 16560, 17112, 18405, 18814, 19632, 21390, 22320, 24540, 25358, 25668, 28221, 28520, 29448, 32085, 32720, 34224, 36810, 37628, 38037, 42780, 47035, 49080, 50716, 51336, 56442, 57040, 58896, 63395, 64170, 73620, 75256, 76074, 84663, 85560, 94070, 98160, 101432, 102672, 112884, 114111, 126790, 128340, 141105, 147240, 150512, 152148, 169326, 171120, 188140, 190185, 202864, 225768, 228222, 253580, 256680, 282210, 291617, 294480, 304296, 338652, 376280, 380370, 423315, 451536, 456444, 507160, 513360, 564420, 570555, 583234, 608592, 677304, 752560, 760740, 846630, 874851, 912888, 1014320, 1128840, 1141110, 1166468, 1354608, 1458085, 1521480, 1693260, 1749702, 1825776, 2257680, 2282220, 2332936, 2624553, 2916170, 3042960, 3386520, 3499404, 4374255, 4564440, 4665872, 5249106, 5832340, 6773040, 6998808, 8748510, 9128880, 10498212, 11664680, 13122765, 13997616, 17497020, 20996424, 23329360, 26245530, 34994040, 41992848, 52491060, 69988080, 104982120, 209964240]

約数ペア:

[(1, 209964240), (2, 104982120), (3, 69988080), (4, 52491060), (5, 41992848), (6, 34994040), (8, 26245530), (9, 23329360), (10, 20996424), (12, 17497020), (15, 13997616), (16, 13122765), (18, 11664680), (20, 10498212), (23, 9128880), (24, 8748510), (30, 6998808), (31, 6773040), (36, 5832340), (40, 5249106), (45, 4665872), (46, 4564440), (48, 4374255), (60, 3499404), (62, 3386520), (69, 3042960), (72, 2916170), (80, 2624553), (90, 2332936), (92, 2282220), (93, 2257680), (115, 1825776), (120, 1749702), (124, 1693260), (138, 1521480), (144, 1458085), (155, 1354608), (180, 1166468), (184, 1141110), (186, 1128840), (207, 1014320), (230, 912888), (240, 874851), (248, 846630), (276, 760740), (279, 752560), (310, 677304), (345, 608592), (360, 583234), (368, 570555), (372, 564420), (409, 513360), (414, 507160), (460, 456444), (465, 451536), (496, 423315), (552, 380370), (558, 376280), (620, 338652), (690, 304296), (713, 294480), (720, 291617), (744, 282210), (818, 256680), (828, 253580), (920, 228222), (930, 225768), (1035, 202864), (1104, 190185), (1116, 188140), (1227, 171120), (1240, 169326), (1380, 152148), (1395, 150512), (1426, 147240), (1488, 141105), (1636, 128340), (1656, 126790), (1840, 114111), (1860, 112884), (2045, 102672), (2070, 101432), (2139, 98160), (2232, 94070), (2454, 85560), (2480, 84663), (2760, 76074), (2790, 75256), (2852, 73620), (3272, 64170), (3312, 63395), (3565, 58896), (3681, 57040), (3720, 56442), (4090, 51336), (4140, 50716), (4278, 49080), (4464, 47035), (4908, 42780), (5520, 38037), (5580, 37628), (5704, 36810), (6135, 34224), (6417, 32720), (6544, 32085), (7130, 29448), (7362, 28520), (7440, 28221), (8180, 25668), (8280, 25358), (8556, 24540), (9407, 22320), (9816, 21390), (10695, 19632), (11160, 18814), (11408, 18405), (12270, 17112), (12679, 16560), (12834, 16360), (14260, 14724)]