18123210080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1141

約数の個数: 192

約数和(自身を含む): 45712429056

約数和(自身を除く): 27589218976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 53, 62, 71, 80, 106, 124, 142, 155, 160, 212, 248, 265, 284, 310, 355, 424, 496, 530, 568, 620, 710, 848, 971, 992, 1060, 1136, 1240, 1420, 1643, 1696, 1942, 2120, 2201, 2272, 2480, 2840, 3286, 3763, 3884, 4240, 4402, 4855, 4960, 5680, 6572, 7526, 7768, 8215, 8480, 8804, 9710, 11005, 11360, 13144, 15052, 15536, 16430, 17608, 18815, 19420, 22010, 26288, 30101, 30104, 31072, 32860, 35216, 37630, 38840, 44020, 51463, 52576, 60202, 60208, 65720, 68941, 70432, 75260, 77680, 88040, 102926, 116653, 120404, 120416, 131440, 137882, 150505, 150520, 155360, 176080, 205852, 233306, 240808, 257315, 262880, 275764, 301010, 301040, 344705, 352160, 411704, 466612, 481616, 514630, 551528, 583265, 602020, 602080, 689410, 823408, 933224, 963232, 1029260, 1103056, 1166530, 1204040, 1378820, 1595353, 1646816, 1866448, 2058520, 2137171, 2206112, 2333060, 2408080, 2757640, 3190706, 3653873, 3732896, 4117040, 4274342, 4666120, 4816160, 5515280, 6381412, 7307746, 7976765, 8234080, 8548684, 9332240, 10685855, 11030560, 12762824, 14615492, 15953530, 17097368, 18269365, 18664480, 21371710, 25525648, 29230984, 31907060, 34194736, 36538730, 42743420, 51051296, 58461968, 63814120, 68389472, 73077460, 85486840, 113270063, 116923936, 127628240, 146154920, 170973680, 226540126, 255256480, 292309840, 341947360, 453080252, 566350315, 584619680, 906160504, 1132700630, 1812321008, 2265401260, 3624642016, 4530802520, 9061605040, 18123210080]

約数ペア:

[(1, 18123210080), (2, 9061605040), (4, 4530802520), (5, 3624642016), (8, 2265401260), (10, 1812321008), (16, 1132700630), (20, 906160504), (31, 584619680), (32, 566350315), (40, 453080252), (53, 341947360), (62, 292309840), (71, 255256480), (80, 226540126), (106, 170973680), (124, 146154920), (142, 127628240), (155, 116923936), (160, 113270063), (212, 85486840), (248, 73077460), (265, 68389472), (284, 63814120), (310, 58461968), (355, 51051296), (424, 42743420), (496, 36538730), (530, 34194736), (568, 31907060), (620, 29230984), (710, 25525648), (848, 21371710), (971, 18664480), (992, 18269365), (1060, 17097368), (1136, 15953530), (1240, 14615492), (1420, 12762824), (1643, 11030560), (1696, 10685855), (1942, 9332240), (2120, 8548684), (2201, 8234080), (2272, 7976765), (2480, 7307746), (2840, 6381412), (3286, 5515280), (3763, 4816160), (3884, 4666120), (4240, 4274342), (4402, 4117040), (4855, 3732896), (4960, 3653873), (5680, 3190706), (6572, 2757640), (7526, 2408080), (7768, 2333060), (8215, 2206112), (8480, 2137171), (8804, 2058520), (9710, 1866448), (11005, 1646816), (11360, 1595353), (13144, 1378820), (15052, 1204040), (15536, 1166530), (16430, 1103056), (17608, 1029260), (18815, 963232), (19420, 933224), (22010, 823408), (26288, 689410), (30101, 602080), (30104, 602020), (31072, 583265), (32860, 551528), (35216, 514630), (37630, 481616), (38840, 466612), (44020, 411704), (51463, 352160), (52576, 344705), (60202, 301040), (60208, 301010), (65720, 275764), (68941, 262880), (70432, 257315), (75260, 240808), (77680, 233306), (88040, 205852), (102926, 176080), (116653, 155360), (120404, 150520), (120416, 150505), (131440, 137882)]