131255040

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 288

約数和(自身を含む): 506257920

約数和(自身を除く): 375002880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 128, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 256, 257, 266, 280, 285, 304, 320, 336, 380, 384, 399, 420, 448, 456, 480, 514, 532, 560, 570, 608, 640, 665, 672, 760, 768, 771, 798, 840, 896, 912, 960, 1028, 1064, 1120, 1140, 1216, 1280, 1285, 1330, 1344, 1520, 1542, 1596, 1680, 1792, 1799, 1824, 1920, 1995, 2056, 2128, 2240, 2280, 2432, 2570, 2660, 2688, 3040, 3084, 3192, 3360, 3598, 3648, 3840, 3855, 3990, 4112, 4256, 4480, 4560, 4864, 4883, 5140, 5320, 5376, 5397, 6080, 6168, 6384, 6720, 7196, 7296, 7710, 7980, 8224, 8512, 8960, 8995, 9120, 9766, 10280, 10640, 10794, 12160, 12336, 12768, 13440, 14392, 14592, 14649, 15420, 15960, 16448, 17024, 17990, 18240, 19532, 20560, 21280, 21588, 24320, 24415, 24672, 25536, 26880, 26985, 28784, 29298, 30840, 31920, 32896, 34048, 34181, 35980, 36480, 39064, 41120, 42560, 43176, 48830, 49344, 51072, 53970, 57568, 58596, 61680, 63840, 65792, 68362, 71960, 72960, 73245, 78128, 82240, 85120, 86352, 97660, 98688, 102144, 102543, 107940, 115136, 117192, 123360, 127680, 136724, 143920, 146490, 156256, 164480, 170240, 170905, 172704, 195320, 197376, 205086, 215880, 230272, 234384, 246720, 255360, 273448, 287840, 292980, 312512, 328960, 341810, 345408, 390640, 410172, 431760, 460544, 468768, 493440, 510720, 512715, 546896, 575680, 585960, 625024, 683620, 690816, 781280, 820344, 863520, 937536, 986880, 1025430, 1093792, 1151360, 1171920, 1250048, 1367240, 1381632, 1562560, 1640688, 1727040, 1875072, 2050860, 2187584, 2302720, 2343840, 2734480, 3125120, 3281376, 3454080, 3750144, 4101720, 4375168, 4687680, 5468960, 6250240, 6562752, 6908160, 8203440, 8750336, 9375360, 10937920, 13125504, 16406880, 18750720, 21875840, 26251008, 32813760, 43751680, 65627520, 131255040]

約数ペア:

[(1, 131255040), (2, 65627520), (3, 43751680), (4, 32813760), (5, 26251008), (6, 21875840), (7, 18750720), (8, 16406880), (10, 13125504), (12, 10937920), (14, 9375360), (15, 8750336), (16, 8203440), (19, 6908160), (20, 6562752), (21, 6250240), (24, 5468960), (28, 4687680), (30, 4375168), (32, 4101720), (35, 3750144), (38, 3454080), (40, 3281376), (42, 3125120), (48, 2734480), (56, 2343840), (57, 2302720), (60, 2187584), (64, 2050860), (70, 1875072), (76, 1727040), (80, 1640688), (84, 1562560), (95, 1381632), (96, 1367240), (105, 1250048), (112, 1171920), (114, 1151360), (120, 1093792), (128, 1025430), (133, 986880), (140, 937536), (152, 863520), (160, 820344), (168, 781280), (190, 690816), (192, 683620), (210, 625024), (224, 585960), (228, 575680), (240, 546896), (256, 512715), (257, 510720), (266, 493440), (280, 468768), (285, 460544), (304, 431760), (320, 410172), (336, 390640), (380, 345408), (384, 341810), (399, 328960), (420, 312512), (448, 292980), (456, 287840), (480, 273448), (514, 255360), (532, 246720), (560, 234384), (570, 230272), (608, 215880), (640, 205086), (665, 197376), (672, 195320), (760, 172704), (768, 170905), (771, 170240), (798, 164480), (840, 156256), (896, 146490), (912, 143920), (960, 136724), (1028, 127680), (1064, 123360), (1120, 117192), (1140, 115136), (1216, 107940), (1280, 102543), (1285, 102144), (1330, 98688), (1344, 97660), (1520, 86352), (1542, 85120), (1596, 82240), (1680, 78128), (1792, 73245), (1799, 72960), (1824, 71960), (1920, 68362), (1995, 65792), (2056, 63840), (2128, 61680), (2240, 58596), (2280, 57568), (2432, 53970), (2570, 51072), (2660, 49344), (2688, 48830), (3040, 43176), (3084, 42560), (3192, 41120), (3360, 39064), (3598, 36480), (3648, 35980), (3840, 34181), (3855, 34048), (3990, 32896), (4112, 31920), (4256, 30840), (4480, 29298), (4560, 28784), (4864, 26985), (4883, 26880), (5140, 25536), (5320, 24672), (5376, 24415), (5397, 24320), (6080, 21588), (6168, 21280), (6384, 20560), (6720, 19532), (7196, 18240), (7296, 17990), (7710, 17024), (7980, 16448), (8224, 15960), (8512, 15420), (8960, 14649), (8995, 14592), (9120, 14392), (9766, 13440), (10280, 12768), (10640, 12336), (10794, 12160)]