451201280

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 1137314304

約数和(自身を除く): 686113024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 128, 137, 155, 160, 166, 248, 256, 274, 310, 320, 332, 415, 496, 548, 620, 640, 664, 685, 830, 992, 1096, 1240, 1280, 1328, 1370, 1660, 1984, 2192, 2480, 2573, 2656, 2740, 3320, 3968, 4247, 4384, 4960, 5146, 5312, 5480, 6640, 7936, 8494, 8768, 9920, 10292, 10624, 10960, 11371, 12865, 13280, 16988, 17536, 19840, 20584, 21235, 21248, 21920, 22742, 25730, 26560, 33976, 35072, 39680, 41168, 42470, 43840, 45484, 51460, 53120, 56855, 67952, 82336, 84940, 87680, 90968, 102920, 106240, 113710, 135904, 164672, 169880, 175360, 181936, 205840, 227420, 271808, 329344, 339760, 352501, 363872, 411680, 454840, 543616, 658688, 679520, 705002, 727744, 823360, 909680, 1087232, 1359040, 1410004, 1455488, 1646720, 1762505, 1819360, 2718080, 2820008, 2910976, 3293440, 3525010, 3638720, 5436160, 5640016, 7050020, 7277440, 11280032, 14100040, 14554880, 22560064, 28200080, 45120128, 56400160, 90240256, 112800320, 225600640, 451201280]

約数ペア:

[(1, 451201280), (2, 225600640), (4, 112800320), (5, 90240256), (8, 56400160), (10, 45120128), (16, 28200080), (20, 22560064), (31, 14554880), (32, 14100040), (40, 11280032), (62, 7277440), (64, 7050020), (80, 5640016), (83, 5436160), (124, 3638720), (128, 3525010), (137, 3293440), (155, 2910976), (160, 2820008), (166, 2718080), (248, 1819360), (256, 1762505), (274, 1646720), (310, 1455488), (320, 1410004), (332, 1359040), (415, 1087232), (496, 909680), (548, 823360), (620, 727744), (640, 705002), (664, 679520), (685, 658688), (830, 543616), (992, 454840), (1096, 411680), (1240, 363872), (1280, 352501), (1328, 339760), (1370, 329344), (1660, 271808), (1984, 227420), (2192, 205840), (2480, 181936), (2573, 175360), (2656, 169880), (2740, 164672), (3320, 135904), (3968, 113710), (4247, 106240), (4384, 102920), (4960, 90968), (5146, 87680), (5312, 84940), (5480, 82336), (6640, 67952), (7936, 56855), (8494, 53120), (8768, 51460), (9920, 45484), (10292, 43840), (10624, 42470), (10960, 41168), (11371, 39680), (12865, 35072), (13280, 33976), (16988, 26560), (17536, 25730), (19840, 22742), (20584, 21920), (21235, 21248)]