661055160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{2141}}^1$

素因数の和:2269

約数の個数: 128

約数和(自身を含む): 2072770560

約数和(自身を除く): 1411715400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 83, 93, 120, 124, 155, 166, 186, 248, 249, 310, 332, 372, 415, 465, 498, 620, 664, 744, 830, 930, 996, 1240, 1245, 1660, 1860, 1992, 2141, 2490, 2573, 3320, 3720, 4282, 4980, 5146, 6423, 7719, 8564, 9960, 10292, 10705, 12846, 12865, 15438, 17128, 20584, 21410, 25692, 25730, 30876, 32115, 38595, 42820, 51384, 51460, 61752, 64230, 66371, 77190, 85640, 102920, 128460, 132742, 154380, 177703, 199113, 256920, 265484, 308760, 331855, 355406, 398226, 530968, 533109, 663710, 710812, 796452, 888515, 995565, 1066218, 1327420, 1421624, 1592904, 1777030, 1991130, 2132436, 2654840, 2665545, 3554060, 3982260, 4264872, 5331090, 5508793, 7108120, 7964520, 10662180, 11017586, 16526379, 21324360, 22035172, 27543965, 33052758, 44070344, 55087930, 66105516, 82631895, 110175860, 132211032, 165263790, 220351720, 330527580, 661055160]

約数ペア:

[(1, 661055160), (2, 330527580), (3, 220351720), (4, 165263790), (5, 132211032), (6, 110175860), (8, 82631895), (10, 66105516), (12, 55087930), (15, 44070344), (20, 33052758), (24, 27543965), (30, 22035172), (31, 21324360), (40, 16526379), (60, 11017586), (62, 10662180), (83, 7964520), (93, 7108120), (120, 5508793), (124, 5331090), (155, 4264872), (166, 3982260), (186, 3554060), (248, 2665545), (249, 2654840), (310, 2132436), (332, 1991130), (372, 1777030), (415, 1592904), (465, 1421624), (498, 1327420), (620, 1066218), (664, 995565), (744, 888515), (830, 796452), (930, 710812), (996, 663710), (1240, 533109), (1245, 530968), (1660, 398226), (1860, 355406), (1992, 331855), (2141, 308760), (2490, 265484), (2573, 256920), (3320, 199113), (3720, 177703), (4282, 154380), (4980, 132742), (5146, 128460), (6423, 102920), (7719, 85640), (8564, 77190), (9960, 66371), (10292, 64230), (10705, 61752), (12846, 51460), (12865, 51384), (15438, 42820), (17128, 38595), (20584, 32115), (21410, 30876), (25692, 25730)]