77488840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:108

約数の個数: 256

約数和(自身を含む): 232243200

約数和(自身を除く): 154754360

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 19, 20, 22, 23, 26, 31, 38, 40, 44, 46, 52, 55, 62, 65, 76, 88, 92, 95, 104, 110, 115, 124, 130, 143, 152, 155, 184, 190, 209, 220, 230, 247, 248, 253, 260, 286, 299, 310, 341, 380, 403, 418, 437, 440, 460, 494, 506, 520, 572, 589, 598, 620, 682, 713, 715, 760, 806, 836, 874, 920, 988, 1012, 1045, 1144, 1178, 1196, 1235, 1240, 1265, 1364, 1426, 1430, 1495, 1612, 1672, 1705, 1748, 1976, 2015, 2024, 2090, 2185, 2356, 2392, 2470, 2530, 2717, 2728, 2852, 2860, 2945, 2990, 3224, 3289, 3410, 3496, 3565, 4030, 4180, 4370, 4433, 4712, 4807, 4940, 5060, 5434, 5681, 5704, 5720, 5890, 5980, 6479, 6578, 6820, 7130, 7657, 7843, 8060, 8360, 8740, 8866, 9269, 9614, 9880, 10120, 10868, 11362, 11780, 11960, 12958, 13156, 13547, 13585, 13640, 14260, 15314, 15686, 16120, 16445, 17480, 17732, 18538, 19228, 21736, 22165, 22724, 23560, 24035, 25916, 26312, 27094, 27170, 28405, 28520, 30628, 31372, 32395, 32890, 35464, 37076, 38285, 38456, 39215, 44330, 45448, 46345, 48070, 51832, 54188, 54340, 56810, 61256, 62491, 62744, 64790, 65780, 67735, 74152, 76570, 78430, 84227, 88660, 92690, 96140, 101959, 108376, 108680, 113620, 124982, 129580, 131560, 135470, 149017, 153140, 156860, 168454, 176111, 177320, 185380, 192280, 203918, 227240, 249964, 259160, 270940, 298034, 306280, 312455, 313720, 336908, 352222, 370760, 407836, 421135, 499928, 509795, 541880, 596068, 624910, 673816, 704444, 745085, 815672, 842270, 880555, 1019590, 1192136, 1249820, 1408888, 1490170, 1684540, 1761110, 1937221, 2039180, 2499640, 2980340, 3369080, 3522220, 3874442, 4078360, 5960680, 7044440, 7748884, 9686105, 15497768, 19372210, 38744420, 77488840]

約数ペア:

[(1, 77488840), (2, 38744420), (4, 19372210), (5, 15497768), (8, 9686105), (10, 7748884), (11, 7044440), (13, 5960680), (19, 4078360), (20, 3874442), (22, 3522220), (23, 3369080), (26, 2980340), (31, 2499640), (38, 2039180), (40, 1937221), (44, 1761110), (46, 1684540), (52, 1490170), (55, 1408888), (62, 1249820), (65, 1192136), (76, 1019590), (88, 880555), (92, 842270), (95, 815672), (104, 745085), (110, 704444), (115, 673816), (124, 624910), (130, 596068), (143, 541880), (152, 509795), (155, 499928), (184, 421135), (190, 407836), (209, 370760), (220, 352222), (230, 336908), (247, 313720), (248, 312455), (253, 306280), (260, 298034), (286, 270940), (299, 259160), (310, 249964), (341, 227240), (380, 203918), (403, 192280), (418, 185380), (437, 177320), (440, 176111), (460, 168454), (494, 156860), (506, 153140), (520, 149017), (572, 135470), (589, 131560), (598, 129580), (620, 124982), (682, 113620), (713, 108680), (715, 108376), (760, 101959), (806, 96140), (836, 92690), (874, 88660), (920, 84227), (988, 78430), (1012, 76570), (1045, 74152), (1144, 67735), (1178, 65780), (1196, 64790), (1235, 62744), (1240, 62491), (1265, 61256), (1364, 56810), (1426, 54340), (1430, 54188), (1495, 51832), (1612, 48070), (1672, 46345), (1705, 45448), (1748, 44330), (1976, 39215), (2015, 38456), (2024, 38285), (2090, 37076), (2185, 35464), (2356, 32890), (2392, 32395), (2470, 31372), (2530, 30628), (2717, 28520), (2728, 28405), (2852, 27170), (2860, 27094), (2945, 26312), (2990, 25916), (3224, 24035), (3289, 23560), (3410, 22724), (3496, 22165), (3565, 21736), (4030, 19228), (4180, 18538), (4370, 17732), (4433, 17480), (4712, 16445), (4807, 16120), (4940, 15686), (5060, 15314), (5434, 14260), (5681, 13640), (5704, 13585), (5720, 13547), (5890, 13156), (5980, 12958), (6479, 11960), (6578, 11780), (6820, 11362), (7130, 10868), (7657, 10120), (7843, 9880), (8060, 9614), (8360, 9269), (8740, 8866)]