8990890880

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{2459}}^1$

素因数の和:2704

約数の個数: 128

約数和(自身を含む): 22356972000

約数和(自身を除く): 13366081120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 197, 232, 290, 320, 394, 464, 580, 640, 788, 928, 985, 1160, 1576, 1856, 1970, 2320, 2459, 3152, 3712, 3940, 4640, 4918, 5713, 6304, 7880, 9280, 9836, 11426, 12295, 12608, 15760, 18560, 19672, 22852, 24590, 25216, 28565, 31520, 39344, 45704, 49180, 57130, 63040, 71311, 78688, 91408, 98360, 114260, 126080, 142622, 157376, 182816, 196720, 228520, 285244, 314752, 356555, 365632, 393440, 457040, 484423, 570488, 713110, 731264, 786880, 914080, 968846, 1140976, 1426220, 1573760, 1828160, 1937692, 2281952, 2422115, 2852440, 3656320, 3875384, 4563904, 4844230, 5704880, 7750768, 9127808, 9688460, 11409760, 14048267, 15501536, 19376920, 22819520, 28096534, 31003072, 38753840, 45639040, 56193068, 62006144, 70241335, 77507680, 112386136, 140482670, 155015360, 224772272, 280965340, 310030720, 449544544, 561930680, 899089088, 1123861360, 1798178176, 2247722720, 4495445440, 8990890880]

約数ペア:

[(1, 8990890880), (2, 4495445440), (4, 2247722720), (5, 1798178176), (8, 1123861360), (10, 899089088), (16, 561930680), (20, 449544544), (29, 310030720), (32, 280965340), (40, 224772272), (58, 155015360), (64, 140482670), (80, 112386136), (116, 77507680), (128, 70241335), (145, 62006144), (160, 56193068), (197, 45639040), (232, 38753840), (290, 31003072), (320, 28096534), (394, 22819520), (464, 19376920), (580, 15501536), (640, 14048267), (788, 11409760), (928, 9688460), (985, 9127808), (1160, 7750768), (1576, 5704880), (1856, 4844230), (1970, 4563904), (2320, 3875384), (2459, 3656320), (3152, 2852440), (3712, 2422115), (3940, 2281952), (4640, 1937692), (4918, 1828160), (5713, 1573760), (6304, 1426220), (7880, 1140976), (9280, 968846), (9836, 914080), (11426, 786880), (12295, 731264), (12608, 713110), (15760, 570488), (18560, 484423), (19672, 457040), (22852, 393440), (24590, 365632), (25216, 356555), (28565, 314752), (31520, 285244), (39344, 228520), (45704, 196720), (49180, 182816), (57130, 157376), (63040, 142622), (71311, 126080), (78688, 114260), (91408, 98360)]