72068640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{241}}^1$

素因数の和:355

約数の個数: 192

約数和(自身を含む): 263450880

約数和(自身を除く): 191382240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 96, 105, 112, 120, 140, 160, 168, 178, 210, 224, 240, 241, 267, 280, 336, 356, 420, 445, 480, 482, 534, 560, 623, 672, 712, 723, 840, 890, 964, 1068, 1120, 1205, 1246, 1335, 1424, 1446, 1680, 1687, 1780, 1869, 1928, 2136, 2410, 2492, 2670, 2848, 2892, 3115, 3360, 3374, 3560, 3615, 3738, 3856, 4272, 4820, 4984, 5061, 5340, 5784, 6230, 6748, 7120, 7230, 7476, 7712, 8435, 8544, 9345, 9640, 9968, 10122, 10680, 11568, 12460, 13496, 14240, 14460, 14952, 16870, 18690, 19280, 19936, 20244, 21360, 21449, 23136, 24920, 25305, 26992, 28920, 29904, 33740, 37380, 38560, 40488, 42720, 42898, 49840, 50610, 53984, 57840, 59808, 64347, 67480, 74760, 80976, 85796, 99680, 101220, 107245, 115680, 128694, 134960, 149520, 150143, 161952, 171592, 202440, 214490, 257388, 269920, 299040, 300286, 321735, 343184, 404880, 428980, 450429, 514776, 600572, 643470, 686368, 750715, 809760, 857960, 900858, 1029552, 1201144, 1286940, 1501430, 1715920, 1801716, 2059104, 2252145, 2402288, 2573880, 3002860, 3431840, 3603432, 4504290, 4804576, 5147760, 6005720, 7206864, 9008580, 10295520, 12011440, 14413728, 18017160, 24022880, 36034320, 72068640]

約数ペア:

[(1, 72068640), (2, 36034320), (3, 24022880), (4, 18017160), (5, 14413728), (6, 12011440), (7, 10295520), (8, 9008580), (10, 7206864), (12, 6005720), (14, 5147760), (15, 4804576), (16, 4504290), (20, 3603432), (21, 3431840), (24, 3002860), (28, 2573880), (30, 2402288), (32, 2252145), (35, 2059104), (40, 1801716), (42, 1715920), (48, 1501430), (56, 1286940), (60, 1201144), (70, 1029552), (80, 900858), (84, 857960), (89, 809760), (96, 750715), (105, 686368), (112, 643470), (120, 600572), (140, 514776), (160, 450429), (168, 428980), (178, 404880), (210, 343184), (224, 321735), (240, 300286), (241, 299040), (267, 269920), (280, 257388), (336, 214490), (356, 202440), (420, 171592), (445, 161952), (480, 150143), (482, 149520), (534, 134960), (560, 128694), (623, 115680), (672, 107245), (712, 101220), (723, 99680), (840, 85796), (890, 80976), (964, 74760), (1068, 67480), (1120, 64347), (1205, 59808), (1246, 57840), (1335, 53984), (1424, 50610), (1446, 49840), (1680, 42898), (1687, 42720), (1780, 40488), (1869, 38560), (1928, 37380), (2136, 33740), (2410, 29904), (2492, 28920), (2670, 26992), (2848, 25305), (2892, 24920), (3115, 23136), (3360, 21449), (3374, 21360), (3560, 20244), (3615, 19936), (3738, 19280), (3856, 18690), (4272, 16870), (4820, 14952), (4984, 14460), (5061, 14240), (5340, 13496), (5784, 12460), (6230, 11568), (6748, 10680), (7120, 10122), (7230, 9968), (7476, 9640), (7712, 9345), (8435, 8544)]