81368273136

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:452

約数の個数: 240

約数和(自身を含む): 228974701824

約数和(自身を除く): 147606428688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 71, 102, 131, 136, 142, 151, 204, 213, 262, 272, 284, 302, 393, 408, 426, 453, 524, 568, 604, 786, 816, 852, 906, 1048, 1136, 1207, 1208, 1572, 1704, 1812, 2096, 2227, 2414, 2416, 2567, 3144, 3408, 3621, 3624, 4454, 4828, 5041, 5134, 6288, 6681, 7242, 7248, 7701, 8908, 9301, 9656, 10082, 10268, 10721, 13362, 14484, 15123, 15402, 17816, 18602, 19312, 19781, 20164, 20536, 21442, 26724, 27903, 28968, 30246, 30804, 32163, 35632, 37204, 39562, 40328, 41072, 42884, 53448, 55806, 57936, 59343, 60492, 61608, 64326, 74408, 79124, 80656, 85697, 85768, 106896, 111612, 118686, 120984, 123216, 128652, 148816, 158117, 158248, 171394, 171536, 182257, 223224, 237372, 241968, 257091, 257304, 316234, 316496, 336277, 342788, 364514, 446448, 474351, 474744, 514182, 514608, 546771, 632468, 660371, 672554, 685576, 729028, 761191, 948702, 949488, 1008831, 1028364, 1093542, 1264936, 1320742, 1345108, 1371152, 1404451, 1458056, 1522382, 1897404, 1981113, 2017662, 2056728, 2187084, 2283573, 2529872, 2641484, 2690216, 2808902, 2916112, 3044764, 3794808, 3962226, 4035324, 4113456, 4213353, 4374168, 4567146, 5282968, 5380432, 5617804, 6089528, 7589616, 7924452, 8070648, 8426706, 8748336, 9134292, 10565936, 11226307, 11235608, 12179056, 12940247, 15848904, 16141296, 16853412, 18268584, 22452614, 22471216, 23875667, 25880494, 31697808, 33678921, 33706824, 36537168, 38820741, 44905228, 47751334, 51760988, 67357842, 67413648, 71627001, 77641482, 89810456, 95502668, 99716021, 103521976, 134715684, 143254002, 155282964, 179620912, 191005336, 199432042, 207043952, 269431368, 286508004, 299148063, 310565928, 382010672, 398864084, 538862736, 573016008, 598296126, 621131856, 797728168, 1146032016, 1196592252, 1595456336, 1695172357, 2393184504, 3390344714, 4786369008, 5085517071, 6780689428, 10171034142, 13561378856, 20342068284, 27122757712, 40684136568, 81368273136]

約数ペア:

[(1, 81368273136), (2, 40684136568), (3, 27122757712), (4, 20342068284), (6, 13561378856), (8, 10171034142), (12, 6780689428), (16, 5085517071), (17, 4786369008), (24, 3390344714), (34, 2393184504), (48, 1695172357), (51, 1595456336), (68, 1196592252), (71, 1146032016), (102, 797728168), (131, 621131856), (136, 598296126), (142, 573016008), (151, 538862736), (204, 398864084), (213, 382010672), (262, 310565928), (272, 299148063), (284, 286508004), (302, 269431368), (393, 207043952), (408, 199432042), (426, 191005336), (453, 179620912), (524, 155282964), (568, 143254002), (604, 134715684), (786, 103521976), (816, 99716021), (852, 95502668), (906, 89810456), (1048, 77641482), (1136, 71627001), (1207, 67413648), (1208, 67357842), (1572, 51760988), (1704, 47751334), (1812, 44905228), (2096, 38820741), (2227, 36537168), (2414, 33706824), (2416, 33678921), (2567, 31697808), (3144, 25880494), (3408, 23875667), (3621, 22471216), (3624, 22452614), (4454, 18268584), (4828, 16853412), (5041, 16141296), (5134, 15848904), (6288, 12940247), (6681, 12179056), (7242, 11235608), (7248, 11226307), (7701, 10565936), (8908, 9134292), (9301, 8748336), (9656, 8426706), (10082, 8070648), (10268, 7924452), (10721, 7589616), (13362, 6089528), (14484, 5617804), (15123, 5380432), (15402, 5282968), (17816, 4567146), (18602, 4374168), (19312, 4213353), (19781, 4113456), (20164, 4035324), (20536, 3962226), (21442, 3794808), (26724, 3044764), (27903, 2916112), (28968, 2808902), (30246, 2690216), (30804, 2641484), (32163, 2529872), (35632, 2283573), (37204, 2187084), (39562, 2056728), (40328, 2017662), (41072, 1981113), (42884, 1897404), (53448, 1522382), (55806, 1458056), (57936, 1404451), (59343, 1371152), (60492, 1345108), (61608, 1320742), (64326, 1264936), (74408, 1093542), (79124, 1028364), (80656, 1008831), (85697, 949488), (85768, 948702), (106896, 761191), (111612, 729028), (118686, 685576), (120984, 672554), (123216, 660371), (128652, 632468), (148816, 546771), (158117, 514608), (158248, 514182), (171394, 474744), (171536, 474351), (182257, 446448), (223224, 364514), (237372, 342788), (241968, 336277), (257091, 316496), (257304, 316234)]