648715968

素因数分解:

$2^6\times 3^2\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:615

約数の個数: 168

約数和(自身を含む): 1944878000

約数和(自身を除く): 1296162032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 61, 64, 72, 74, 96, 111, 122, 144, 148, 183, 192, 222, 244, 288, 296, 333, 366, 444, 488, 499, 549, 576, 592, 666, 732, 888, 976, 998, 1098, 1184, 1332, 1464, 1497, 1776, 1952, 1996, 2196, 2257, 2368, 2664, 2928, 2994, 3552, 3904, 3992, 4392, 4491, 4514, 5328, 5856, 5988, 6771, 7104, 7984, 8784, 8982, 9028, 10656, 11712, 11976, 13542, 15968, 17568, 17964, 18056, 18463, 20313, 21312, 23952, 27084, 30439, 31936, 35136, 35928, 36112, 36926, 40626, 47904, 54168, 55389, 60878, 71856, 72224, 73852, 81252, 91317, 95808, 108336, 110778, 121756, 143712, 144448, 147704, 162504, 166167, 182634, 216672, 221556, 243512, 273951, 287424, 295408, 325008, 332334, 365268, 433344, 443112, 487024, 547902, 590816, 650016, 664668, 730536, 886224, 974048, 1095804, 1126243, 1181632, 1300032, 1329336, 1461072, 1772448, 1948096, 2191608, 2252486, 2658672, 2922144, 3378729, 3544896, 4383216, 4504972, 5317344, 5844288, 6757458, 8766432, 9009944, 10136187, 10634688, 13514916, 17532864, 18019888, 20272374, 27029832, 36039776, 40544748, 54059664, 72079552, 81089496, 108119328, 162178992, 216238656, 324357984, 648715968]

約数ペア:

[(1, 648715968), (2, 324357984), (3, 216238656), (4, 162178992), (6, 108119328), (8, 81089496), (9, 72079552), (12, 54059664), (16, 40544748), (18, 36039776), (24, 27029832), (32, 20272374), (36, 18019888), (37, 17532864), (48, 13514916), (61, 10634688), (64, 10136187), (72, 9009944), (74, 8766432), (96, 6757458), (111, 5844288), (122, 5317344), (144, 4504972), (148, 4383216), (183, 3544896), (192, 3378729), (222, 2922144), (244, 2658672), (288, 2252486), (296, 2191608), (333, 1948096), (366, 1772448), (444, 1461072), (488, 1329336), (499, 1300032), (549, 1181632), (576, 1126243), (592, 1095804), (666, 974048), (732, 886224), (888, 730536), (976, 664668), (998, 650016), (1098, 590816), (1184, 547902), (1332, 487024), (1464, 443112), (1497, 433344), (1776, 365268), (1952, 332334), (1996, 325008), (2196, 295408), (2257, 287424), (2368, 273951), (2664, 243512), (2928, 221556), (2994, 216672), (3552, 182634), (3904, 166167), (3992, 162504), (4392, 147704), (4491, 144448), (4514, 143712), (5328, 121756), (5856, 110778), (5988, 108336), (6771, 95808), (7104, 91317), (7984, 81252), (8784, 73852), (8982, 72224), (9028, 71856), (10656, 60878), (11712, 55389), (11976, 54168), (13542, 47904), (15968, 40626), (17568, 36926), (17964, 36112), (18056, 35928), (18463, 35136), (20313, 31936), (21312, 30439), (23952, 27084)]