81577008

素因数分解:

$2^4\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:363

約数の個数: 120

約数和(自身を含む): 239265936

約数和(自身を除く): 157688928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 37, 48, 61, 72, 74, 111, 122, 144, 148, 183, 222, 244, 251, 296, 333, 366, 444, 488, 502, 549, 592, 666, 732, 753, 888, 976, 1004, 1098, 1332, 1464, 1506, 1776, 2008, 2196, 2257, 2259, 2664, 2928, 3012, 4016, 4392, 4514, 4518, 5328, 6024, 6771, 8784, 9028, 9036, 9287, 12048, 13542, 15311, 18056, 18072, 18574, 20313, 27084, 27861, 30622, 36112, 36144, 37148, 40626, 45933, 54168, 55722, 61244, 74296, 81252, 83583, 91866, 108336, 111444, 122488, 137799, 148592, 162504, 167166, 183732, 222888, 244976, 275598, 325008, 334332, 367464, 445776, 551196, 566507, 668664, 734928, 1102392, 1133014, 1337328, 1699521, 2204784, 2266028, 3399042, 4532056, 5098563, 6798084, 9064112, 10197126, 13596168, 20394252, 27192336, 40788504, 81577008]

約数ペア:

[(1, 81577008), (2, 40788504), (3, 27192336), (4, 20394252), (6, 13596168), (8, 10197126), (9, 9064112), (12, 6798084), (16, 5098563), (18, 4532056), (24, 3399042), (36, 2266028), (37, 2204784), (48, 1699521), (61, 1337328), (72, 1133014), (74, 1102392), (111, 734928), (122, 668664), (144, 566507), (148, 551196), (183, 445776), (222, 367464), (244, 334332), (251, 325008), (296, 275598), (333, 244976), (366, 222888), (444, 183732), (488, 167166), (502, 162504), (549, 148592), (592, 137799), (666, 122488), (732, 111444), (753, 108336), (888, 91866), (976, 83583), (1004, 81252), (1098, 74296), (1332, 61244), (1464, 55722), (1506, 54168), (1776, 45933), (2008, 40626), (2196, 37148), (2257, 36144), (2259, 36112), (2664, 30622), (2928, 27861), (3012, 27084), (4016, 20313), (4392, 18574), (4514, 18072), (4518, 18056), (5328, 15311), (6024, 13542), (6771, 12048), (8784, 9287), (9028, 9036)]