257843040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{5903}}^1$

素因数の和:5941

約数の個数: 192

約数和(自身を含む): 999806976

約数和(自身を除く): 741963936

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 32, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 96, 104, 105, 112, 120, 130, 140, 156, 160, 168, 182, 195, 208, 210, 224, 240, 260, 273, 280, 312, 336, 364, 390, 416, 420, 455, 480, 520, 546, 560, 624, 672, 728, 780, 840, 910, 1040, 1092, 1120, 1248, 1365, 1456, 1560, 1680, 1820, 2080, 2184, 2730, 2912, 3120, 3360, 3640, 4368, 5460, 5903, 6240, 7280, 8736, 10920, 11806, 14560, 17709, 21840, 23612, 29515, 35418, 41321, 43680, 47224, 59030, 70836, 76739, 82642, 88545, 94448, 118060, 123963, 141672, 153478, 165284, 177090, 188896, 206605, 230217, 236120, 247926, 283344, 306956, 330568, 354180, 383695, 413210, 460434, 472240, 495852, 537173, 566688, 613912, 619815, 661136, 708360, 767390, 826420, 920868, 944480, 991704, 1074346, 1151085, 1227824, 1239630, 1322272, 1416720, 1534780, 1611519, 1652840, 1841736, 1983408, 2148692, 2302170, 2455648, 2479260, 2685865, 2833440, 3069560, 3223038, 3305680, 3683472, 3966816, 4297384, 4604340, 4958520, 5371730, 6139120, 6446076, 6611360, 7366944, 8057595, 8594768, 9208680, 9917040, 10743460, 12278240, 12892152, 16115190, 17189536, 18417360, 19834080, 21486920, 25784304, 32230380, 36834720, 42973840, 51568608, 64460760, 85947680, 128921520, 257843040]

約数ペア:

[(1, 257843040), (2, 128921520), (3, 85947680), (4, 64460760), (5, 51568608), (6, 42973840), (7, 36834720), (8, 32230380), (10, 25784304), (12, 21486920), (13, 19834080), (14, 18417360), (15, 17189536), (16, 16115190), (20, 12892152), (21, 12278240), (24, 10743460), (26, 9917040), (28, 9208680), (30, 8594768), (32, 8057595), (35, 7366944), (39, 6611360), (40, 6446076), (42, 6139120), (48, 5371730), (52, 4958520), (56, 4604340), (60, 4297384), (65, 3966816), (70, 3683472), (78, 3305680), (80, 3223038), (84, 3069560), (91, 2833440), (96, 2685865), (104, 2479260), (105, 2455648), (112, 2302170), (120, 2148692), (130, 1983408), (140, 1841736), (156, 1652840), (160, 1611519), (168, 1534780), (182, 1416720), (195, 1322272), (208, 1239630), (210, 1227824), (224, 1151085), (240, 1074346), (260, 991704), (273, 944480), (280, 920868), (312, 826420), (336, 767390), (364, 708360), (390, 661136), (416, 619815), (420, 613912), (455, 566688), (480, 537173), (520, 495852), (546, 472240), (560, 460434), (624, 413210), (672, 383695), (728, 354180), (780, 330568), (840, 306956), (910, 283344), (1040, 247926), (1092, 236120), (1120, 230217), (1248, 206605), (1365, 188896), (1456, 177090), (1560, 165284), (1680, 153478), (1820, 141672), (2080, 123963), (2184, 118060), (2730, 94448), (2912, 88545), (3120, 82642), (3360, 76739), (3640, 70836), (4368, 59030), (5460, 47224), (5903, 43680), (6240, 41321), (7280, 35418), (8736, 29515), (10920, 23612), (11806, 21840), (14560, 17709)]