644815872

素因数分解:

$2^{10}\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 264

約数和(自身を含む): 2006256512

約数和(自身を除く): 1361440640

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, 512, 549, 558, 576, 592, 666, 732, 744, 768, 888, 976, 992, 1024, 1098, 1116, 1147, 1152, 1184, 1332, 1464, 1488, 1536, 1776, 1891, 1952, 1984, 2196, 2232, 2257, 2294, 2304, 2368, 2664, 2928, 2976, 3072, 3441, 3552, 3782, 3904, 3968, 4392, 4464, 4514, 4588, 4608, 4736, 5328, 5673, 5856, 5952, 6771, 6882, 7104, 7564, 7808, 7936, 8784, 8928, 9028, 9176, 9216, 9472, 10323, 10656, 11346, 11712, 11904, 13542, 13764, 14208, 15128, 15616, 15872, 17019, 17568, 17856, 18056, 18352, 18944, 20313, 20646, 21312, 22692, 23424, 23808, 27084, 27528, 28416, 30256, 31232, 31744, 34038, 35136, 35712, 36112, 36704, 37888, 40626, 41292, 42624, 45384, 46848, 47616, 54168, 55056, 56832, 60512, 62464, 68076, 69967, 70272, 71424, 72224, 73408, 81252, 82584, 85248, 90768, 93696, 95232, 108336, 110112, 113664, 121024, 136152, 139934, 140544, 142848, 144448, 146816, 162504, 165168, 170496, 181536, 187392, 209901, 216672, 220224, 242048, 272304, 279868, 281088, 285696, 288896, 293632, 325008, 330336, 340992, 363072, 419802, 433344, 440448, 484096, 544608, 559736, 562176, 577792, 587264, 629703, 650016, 660672, 726144, 839604, 866688, 880896, 968192, 1089216, 1119472, 1155584, 1174528, 1259406, 1300032, 1321344, 1452288, 1679208, 1733376, 1761792, 1936384, 2178432, 2238944, 2311168, 2518812, 2600064, 2642688, 2904576, 3358416, 3466752, 3523584, 4356864, 4477888, 5037624, 5200128, 5285376, 5809152, 6716832, 6933504, 8713728, 8955776, 10075248, 10400256, 10570752, 13433664, 17427456, 17911552, 20150496, 20800512, 26867328, 35823104, 40300992, 53734656, 71646208, 80601984, 107469312, 161203968, 214938624, 322407936, 644815872]

約数ペア:

[(1, 644815872), (2, 322407936), (3, 214938624), (4, 161203968), (6, 107469312), (8, 80601984), (9, 71646208), (12, 53734656), (16, 40300992), (18, 35823104), (24, 26867328), (31, 20800512), (32, 20150496), (36, 17911552), (37, 17427456), (48, 13433664), (61, 10570752), (62, 10400256), (64, 10075248), (72, 8955776), (74, 8713728), (93, 6933504), (96, 6716832), (111, 5809152), (122, 5285376), (124, 5200128), (128, 5037624), (144, 4477888), (148, 4356864), (183, 3523584), (186, 3466752), (192, 3358416), (222, 2904576), (244, 2642688), (248, 2600064), (256, 2518812), (279, 2311168), (288, 2238944), (296, 2178432), (333, 1936384), (366, 1761792), (372, 1733376), (384, 1679208), (444, 1452288), (488, 1321344), (496, 1300032), (512, 1259406), (549, 1174528), (558, 1155584), (576, 1119472), (592, 1089216), (666, 968192), (732, 880896), (744, 866688), (768, 839604), (888, 726144), (976, 660672), (992, 650016), (1024, 629703), (1098, 587264), (1116, 577792), (1147, 562176), (1152, 559736), (1184, 544608), (1332, 484096), (1464, 440448), (1488, 433344), (1536, 419802), (1776, 363072), (1891, 340992), (1952, 330336), (1984, 325008), (2196, 293632), (2232, 288896), (2257, 285696), (2294, 281088), (2304, 279868), (2368, 272304), (2664, 242048), (2928, 220224), (2976, 216672), (3072, 209901), (3441, 187392), (3552, 181536), (3782, 170496), (3904, 165168), (3968, 162504), (4392, 146816), (4464, 144448), (4514, 142848), (4588, 140544), (4608, 139934), (4736, 136152), (5328, 121024), (5673, 113664), (5856, 110112), (5952, 108336), (6771, 95232), (6882, 93696), (7104, 90768), (7564, 85248), (7808, 82584), (7936, 81252), (8784, 73408), (8928, 72224), (9028, 71424), (9176, 70272), (9216, 69967), (9472, 68076), (10323, 62464), (10656, 60512), (11346, 56832), (11712, 55056), (11904, 54168), (13542, 47616), (13764, 46848), (14208, 45384), (15128, 42624), (15616, 41292), (15872, 40626), (17019, 37888), (17568, 36704), (17856, 36112), (18056, 35712), (18352, 35136), (18944, 34038), (20313, 31744), (20646, 31232), (21312, 30256), (22692, 28416), (23424, 27528), (23808, 27084)]