131000640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:409

約数の個数: 224

約数和(自身を含む): 460857600

約数和(自身を除く): 329856960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 23, 24, 30, 32, 34, 40, 46, 48, 51, 60, 64, 68, 69, 80, 85, 92, 96, 102, 115, 120, 136, 138, 160, 170, 184, 192, 204, 230, 240, 255, 272, 276, 320, 340, 345, 349, 368, 391, 408, 460, 480, 510, 544, 552, 680, 690, 698, 736, 782, 816, 920, 960, 1020, 1047, 1088, 1104, 1173, 1360, 1380, 1396, 1472, 1564, 1632, 1745, 1840, 1955, 2040, 2094, 2208, 2346, 2720, 2760, 2792, 3128, 3264, 3490, 3680, 3910, 4080, 4188, 4416, 4692, 5235, 5440, 5520, 5584, 5865, 5933, 6256, 6980, 7360, 7820, 8027, 8160, 8376, 9384, 10470, 11040, 11168, 11730, 11866, 12512, 13960, 15640, 16054, 16320, 16752, 17799, 18768, 20940, 22080, 22336, 23460, 23732, 24081, 25024, 27920, 29665, 31280, 32108, 33504, 35598, 37536, 40135, 41880, 46920, 47464, 48162, 55840, 59330, 62560, 64216, 67008, 71196, 75072, 80270, 83760, 88995, 93840, 94928, 96324, 111680, 118660, 120405, 125120, 128432, 136459, 142392, 160540, 167520, 177990, 187680, 189856, 192648, 237320, 240810, 256864, 272918, 284784, 321080, 335040, 355980, 375360, 379712, 385296, 409377, 474640, 481620, 513728, 545836, 569568, 642160, 682295, 711960, 770592, 818754, 949280, 963240, 1091672, 1139136, 1284320, 1364590, 1423920, 1541184, 1637508, 1898560, 1926480, 2046885, 2183344, 2568640, 2729180, 2847840, 3275016, 3852960, 4093770, 4366688, 5458360, 5695680, 6550032, 7705920, 8187540, 8733376, 10916720, 13100064, 16375080, 21833440, 26200128, 32750160, 43666880, 65500320, 131000640]

約数ペア:

[(1, 131000640), (2, 65500320), (3, 43666880), (4, 32750160), (5, 26200128), (6, 21833440), (8, 16375080), (10, 13100064), (12, 10916720), (15, 8733376), (16, 8187540), (17, 7705920), (20, 6550032), (23, 5695680), (24, 5458360), (30, 4366688), (32, 4093770), (34, 3852960), (40, 3275016), (46, 2847840), (48, 2729180), (51, 2568640), (60, 2183344), (64, 2046885), (68, 1926480), (69, 1898560), (80, 1637508), (85, 1541184), (92, 1423920), (96, 1364590), (102, 1284320), (115, 1139136), (120, 1091672), (136, 963240), (138, 949280), (160, 818754), (170, 770592), (184, 711960), (192, 682295), (204, 642160), (230, 569568), (240, 545836), (255, 513728), (272, 481620), (276, 474640), (320, 409377), (340, 385296), (345, 379712), (349, 375360), (368, 355980), (391, 335040), (408, 321080), (460, 284784), (480, 272918), (510, 256864), (544, 240810), (552, 237320), (680, 192648), (690, 189856), (698, 187680), (736, 177990), (782, 167520), (816, 160540), (920, 142392), (960, 136459), (1020, 128432), (1047, 125120), (1088, 120405), (1104, 118660), (1173, 111680), (1360, 96324), (1380, 94928), (1396, 93840), (1472, 88995), (1564, 83760), (1632, 80270), (1745, 75072), (1840, 71196), (1955, 67008), (2040, 64216), (2094, 62560), (2208, 59330), (2346, 55840), (2720, 48162), (2760, 47464), (2792, 46920), (3128, 41880), (3264, 40135), (3490, 37536), (3680, 35598), (3910, 33504), (4080, 32108), (4188, 31280), (4416, 29665), (4692, 27920), (5235, 25024), (5440, 24081), (5520, 23732), (5584, 23460), (5865, 22336), (5933, 22080), (6256, 20940), (6980, 18768), (7360, 17799), (7820, 16752), (8027, 16320), (8160, 16054), (8376, 15640), (9384, 13960), (10470, 12512), (11040, 11866), (11168, 11730)]