81656928

素因数分解:

$2^5\times 3^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 243996480

約数和(自身を除く): 162339552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 37, 48, 72, 74, 79, 96, 97, 111, 144, 148, 158, 194, 222, 237, 288, 291, 296, 316, 333, 388, 444, 474, 582, 592, 632, 666, 711, 776, 873, 888, 948, 1164, 1184, 1264, 1332, 1422, 1552, 1746, 1776, 1896, 2328, 2528, 2664, 2844, 2923, 3104, 3492, 3552, 3589, 3792, 4656, 5328, 5688, 5846, 6984, 7178, 7584, 7663, 8769, 9312, 10656, 10767, 11376, 11692, 13968, 14356, 15326, 17538, 21534, 22752, 22989, 23384, 26307, 27936, 28712, 30652, 32301, 35076, 43068, 45978, 46768, 52614, 57424, 61304, 64602, 68967, 70152, 86136, 91956, 93536, 105228, 114848, 122608, 129204, 137934, 140304, 172272, 183912, 210456, 245216, 258408, 275868, 280608, 283531, 344544, 367824, 420912, 516816, 551736, 567062, 735648, 841824, 850593, 1033632, 1103472, 1134124, 1701186, 2206944, 2268248, 2551779, 3402372, 4536496, 5103558, 6804744, 9072992, 10207116, 13609488, 20414232, 27218976, 40828464, 81656928]

約数ペア:

[(1, 81656928), (2, 40828464), (3, 27218976), (4, 20414232), (6, 13609488), (8, 10207116), (9, 9072992), (12, 6804744), (16, 5103558), (18, 4536496), (24, 3402372), (32, 2551779), (36, 2268248), (37, 2206944), (48, 1701186), (72, 1134124), (74, 1103472), (79, 1033632), (96, 850593), (97, 841824), (111, 735648), (144, 567062), (148, 551736), (158, 516816), (194, 420912), (222, 367824), (237, 344544), (288, 283531), (291, 280608), (296, 275868), (316, 258408), (333, 245216), (388, 210456), (444, 183912), (474, 172272), (582, 140304), (592, 137934), (632, 129204), (666, 122608), (711, 114848), (776, 105228), (873, 93536), (888, 91956), (948, 86136), (1164, 70152), (1184, 68967), (1264, 64602), (1332, 61304), (1422, 57424), (1552, 52614), (1746, 46768), (1776, 45978), (1896, 43068), (2328, 35076), (2528, 32301), (2664, 30652), (2844, 28712), (2923, 27936), (3104, 26307), (3492, 23384), (3552, 22989), (3589, 22752), (3792, 21534), (4656, 17538), (5328, 15326), (5688, 14356), (5846, 13968), (6984, 11692), (7178, 11376), (7584, 10767), (7663, 10656), (8769, 9312)]