80271840

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:713

約数の個数: 192

約数和(自身を含む): 288271872

約数和(自身を除く): 208000032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 32, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 96, 110, 115, 120, 132, 138, 160, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 352, 368, 440, 460, 480, 506, 528, 552, 660, 661, 690, 736, 759, 880, 920, 1012, 1056, 1104, 1265, 1320, 1322, 1380, 1518, 1760, 1840, 1983, 2024, 2208, 2530, 2640, 2644, 2760, 3036, 3305, 3680, 3795, 3966, 4048, 5060, 5280, 5288, 5520, 6072, 6610, 7271, 7590, 7932, 8096, 9915, 10120, 10576, 11040, 12144, 13220, 14542, 15180, 15203, 15864, 19830, 20240, 21152, 21813, 24288, 26440, 29084, 30360, 30406, 31728, 36355, 39660, 40480, 43626, 45609, 52880, 58168, 60720, 60812, 63456, 72710, 76015, 79320, 87252, 91218, 105760, 109065, 116336, 121440, 121624, 145420, 152030, 158640, 167233, 174504, 182436, 218130, 228045, 232672, 243248, 290840, 304060, 317280, 334466, 349008, 364872, 436260, 456090, 486496, 501699, 581680, 608120, 668932, 698016, 729744, 836165, 872520, 912180, 1003398, 1163360, 1216240, 1337864, 1459488, 1672330, 1745040, 1824360, 2006796, 2432480, 2508495, 2675728, 3344660, 3490080, 3648720, 4013592, 5016990, 5351456, 6689320, 7297440, 8027184, 10033980, 13378640, 16054368, 20067960, 26757280, 40135920, 80271840]

約数ペア:

[(1, 80271840), (2, 40135920), (3, 26757280), (4, 20067960), (5, 16054368), (6, 13378640), (8, 10033980), (10, 8027184), (11, 7297440), (12, 6689320), (15, 5351456), (16, 5016990), (20, 4013592), (22, 3648720), (23, 3490080), (24, 3344660), (30, 2675728), (32, 2508495), (33, 2432480), (40, 2006796), (44, 1824360), (46, 1745040), (48, 1672330), (55, 1459488), (60, 1337864), (66, 1216240), (69, 1163360), (80, 1003398), (88, 912180), (92, 872520), (96, 836165), (110, 729744), (115, 698016), (120, 668932), (132, 608120), (138, 581680), (160, 501699), (165, 486496), (176, 456090), (184, 436260), (220, 364872), (230, 349008), (240, 334466), (253, 317280), (264, 304060), (276, 290840), (330, 243248), (345, 232672), (352, 228045), (368, 218130), (440, 182436), (460, 174504), (480, 167233), (506, 158640), (528, 152030), (552, 145420), (660, 121624), (661, 121440), (690, 116336), (736, 109065), (759, 105760), (880, 91218), (920, 87252), (1012, 79320), (1056, 76015), (1104, 72710), (1265, 63456), (1320, 60812), (1322, 60720), (1380, 58168), (1518, 52880), (1760, 45609), (1840, 43626), (1983, 40480), (2024, 39660), (2208, 36355), (2530, 31728), (2640, 30406), (2644, 30360), (2760, 29084), (3036, 26440), (3305, 24288), (3680, 21813), (3795, 21152), (3966, 20240), (4048, 19830), (5060, 15864), (5280, 15203), (5288, 15180), (5520, 14542), (6072, 13220), (6610, 12144), (7271, 11040), (7590, 10576), (7932, 10120), (8096, 9915)]