645428736

素因数分解:

$2^9\times 3^4\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 200

約数和(自身を含む): 1960722720

約数和(自身を除く): 1315293984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 79, 81, 96, 108, 128, 144, 158, 162, 192, 197, 216, 237, 256, 288, 316, 324, 384, 394, 432, 474, 512, 576, 591, 632, 648, 711, 768, 788, 864, 948, 1152, 1182, 1264, 1296, 1422, 1536, 1576, 1728, 1773, 1896, 2133, 2304, 2364, 2528, 2592, 2844, 3152, 3456, 3546, 3792, 4266, 4608, 4728, 5056, 5184, 5319, 5688, 6304, 6399, 6912, 7092, 7584, 8532, 9456, 10112, 10368, 10638, 11376, 12608, 12798, 13824, 14184, 15168, 15563, 15957, 17064, 18912, 20224, 20736, 21276, 22752, 25216, 25596, 28368, 30336, 31126, 31914, 34128, 37824, 40448, 41472, 42552, 45504, 46689, 50432, 51192, 56736, 60672, 62252, 63828, 68256, 75648, 85104, 91008, 93378, 100864, 102384, 113472, 121344, 124504, 127656, 136512, 140067, 151296, 170208, 182016, 186756, 204768, 226944, 249008, 255312, 273024, 280134, 302592, 340416, 364032, 373512, 409536, 420201, 453888, 498016, 510624, 546048, 560268, 680832, 747024, 819072, 840402, 907776, 996032, 1021248, 1092096, 1120536, 1260603, 1361664, 1494048, 1638144, 1680804, 1992064, 2042496, 2241072, 2521206, 2723328, 2988096, 3276288, 3361608, 3984128, 4084992, 4482144, 5042412, 5976192, 6723216, 7968256, 8169984, 8964288, 10084824, 11952384, 13446432, 17928576, 20169648, 23904768, 26892864, 35857152, 40339296, 53785728, 71714304, 80678592, 107571456, 161357184, 215142912, 322714368, 645428736]

約数ペア:

[(1, 645428736), (2, 322714368), (3, 215142912), (4, 161357184), (6, 107571456), (8, 80678592), (9, 71714304), (12, 53785728), (16, 40339296), (18, 35857152), (24, 26892864), (27, 23904768), (32, 20169648), (36, 17928576), (48, 13446432), (54, 11952384), (64, 10084824), (72, 8964288), (79, 8169984), (81, 7968256), (96, 6723216), (108, 5976192), (128, 5042412), (144, 4482144), (158, 4084992), (162, 3984128), (192, 3361608), (197, 3276288), (216, 2988096), (237, 2723328), (256, 2521206), (288, 2241072), (316, 2042496), (324, 1992064), (384, 1680804), (394, 1638144), (432, 1494048), (474, 1361664), (512, 1260603), (576, 1120536), (591, 1092096), (632, 1021248), (648, 996032), (711, 907776), (768, 840402), (788, 819072), (864, 747024), (948, 680832), (1152, 560268), (1182, 546048), (1264, 510624), (1296, 498016), (1422, 453888), (1536, 420201), (1576, 409536), (1728, 373512), (1773, 364032), (1896, 340416), (2133, 302592), (2304, 280134), (2364, 273024), (2528, 255312), (2592, 249008), (2844, 226944), (3152, 204768), (3456, 186756), (3546, 182016), (3792, 170208), (4266, 151296), (4608, 140067), (4728, 136512), (5056, 127656), (5184, 124504), (5319, 121344), (5688, 113472), (6304, 102384), (6399, 100864), (6912, 93378), (7092, 91008), (7584, 85104), (8532, 75648), (9456, 68256), (10112, 63828), (10368, 62252), (10638, 60672), (11376, 56736), (12608, 51192), (12798, 50432), (13824, 46689), (14184, 45504), (15168, 42552), (15563, 41472), (15957, 40448), (17064, 37824), (18912, 34128), (20224, 31914), (20736, 31126), (21276, 30336), (22752, 28368), (25216, 25596)]