161203968

素因数分解:

$2^8\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 500829056

約数和(自身を除く): 339625088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 61, 62, 64, 72, 74, 93, 96, 111, 122, 124, 128, 144, 148, 183, 186, 192, 222, 244, 248, 256, 279, 288, 296, 333, 366, 372, 384, 444, 488, 496, 549, 558, 576, 592, 666, 732, 744, 768, 888, 976, 992, 1098, 1116, 1147, 1152, 1184, 1332, 1464, 1488, 1776, 1891, 1952, 1984, 2196, 2232, 2257, 2294, 2304, 2368, 2664, 2928, 2976, 3441, 3552, 3782, 3904, 3968, 4392, 4464, 4514, 4588, 4736, 5328, 5673, 5856, 5952, 6771, 6882, 7104, 7564, 7808, 7936, 8784, 8928, 9028, 9176, 9472, 10323, 10656, 11346, 11712, 11904, 13542, 13764, 14208, 15128, 15616, 17019, 17568, 17856, 18056, 18352, 20313, 20646, 21312, 22692, 23424, 23808, 27084, 27528, 28416, 30256, 34038, 35136, 35712, 36112, 36704, 40626, 41292, 42624, 45384, 46848, 54168, 55056, 60512, 68076, 69967, 70272, 71424, 72224, 73408, 81252, 82584, 85248, 90768, 108336, 110112, 121024, 136152, 139934, 140544, 144448, 146816, 162504, 165168, 181536, 209901, 216672, 220224, 242048, 272304, 279868, 288896, 293632, 325008, 330336, 363072, 419802, 433344, 440448, 484096, 544608, 559736, 577792, 629703, 650016, 660672, 726144, 839604, 866688, 880896, 1089216, 1119472, 1259406, 1300032, 1321344, 1452288, 1679208, 1733376, 2178432, 2238944, 2518812, 2600064, 2642688, 3358416, 4356864, 4477888, 5037624, 5200128, 6716832, 8955776, 10075248, 13433664, 17911552, 20150496, 26867328, 40300992, 53734656, 80601984, 161203968]

約数ペア:

[(1, 161203968), (2, 80601984), (3, 53734656), (4, 40300992), (6, 26867328), (8, 20150496), (9, 17911552), (12, 13433664), (16, 10075248), (18, 8955776), (24, 6716832), (31, 5200128), (32, 5037624), (36, 4477888), (37, 4356864), (48, 3358416), (61, 2642688), (62, 2600064), (64, 2518812), (72, 2238944), (74, 2178432), (93, 1733376), (96, 1679208), (111, 1452288), (122, 1321344), (124, 1300032), (128, 1259406), (144, 1119472), (148, 1089216), (183, 880896), (186, 866688), (192, 839604), (222, 726144), (244, 660672), (248, 650016), (256, 629703), (279, 577792), (288, 559736), (296, 544608), (333, 484096), (366, 440448), (372, 433344), (384, 419802), (444, 363072), (488, 330336), (496, 325008), (549, 293632), (558, 288896), (576, 279868), (592, 272304), (666, 242048), (732, 220224), (744, 216672), (768, 209901), (888, 181536), (976, 165168), (992, 162504), (1098, 146816), (1116, 144448), (1147, 140544), (1152, 139934), (1184, 136152), (1332, 121024), (1464, 110112), (1488, 108336), (1776, 90768), (1891, 85248), (1952, 82584), (1984, 81252), (2196, 73408), (2232, 72224), (2257, 71424), (2294, 70272), (2304, 69967), (2368, 68076), (2664, 60512), (2928, 55056), (2976, 54168), (3441, 46848), (3552, 45384), (3782, 42624), (3904, 41292), (3968, 40626), (4392, 36704), (4464, 36112), (4514, 35712), (4588, 35136), (4736, 34038), (5328, 30256), (5673, 28416), (5856, 27528), (5952, 27084), (6771, 23808), (6882, 23424), (7104, 22692), (7564, 21312), (7808, 20646), (7936, 20313), (8784, 18352), (8928, 18056), (9028, 17856), (9176, 17568), (9472, 17019), (10323, 15616), (10656, 15128), (11346, 14208), (11712, 13764), (11904, 13542)]