161211160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:329

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 256826600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 53, 55, 62, 88, 106, 110, 124, 155, 212, 220, 223, 248, 265, 310, 341, 424, 440, 446, 530, 583, 620, 682, 892, 1060, 1115, 1166, 1240, 1364, 1643, 1705, 1784, 2120, 2230, 2332, 2453, 2728, 2915, 3286, 3410, 4460, 4664, 4906, 5830, 6572, 6820, 6913, 8215, 8920, 9812, 11660, 11819, 12265, 13144, 13640, 13826, 16430, 18073, 19624, 23320, 23638, 24530, 27652, 32860, 34565, 36146, 47276, 49060, 55304, 59095, 65720, 69130, 72292, 76043, 90365, 94552, 98120, 118190, 130009, 138260, 144584, 152086, 180730, 236380, 260018, 276520, 304172, 361460, 366389, 380215, 472760, 520036, 608344, 650045, 722920, 732778, 760430, 1040072, 1300090, 1465556, 1520860, 1831945, 2600180, 2931112, 3041720, 3663890, 4030279, 5200360, 7327780, 8060558, 14655560, 16121116, 20151395, 32242232, 40302790, 80605580, 161211160]

約数ペア:

[(1, 161211160), (2, 80605580), (4, 40302790), (5, 32242232), (8, 20151395), (10, 16121116), (11, 14655560), (20, 8060558), (22, 7327780), (31, 5200360), (40, 4030279), (44, 3663890), (53, 3041720), (55, 2931112), (62, 2600180), (88, 1831945), (106, 1520860), (110, 1465556), (124, 1300090), (155, 1040072), (212, 760430), (220, 732778), (223, 722920), (248, 650045), (265, 608344), (310, 520036), (341, 472760), (424, 380215), (440, 366389), (446, 361460), (530, 304172), (583, 276520), (620, 260018), (682, 236380), (892, 180730), (1060, 152086), (1115, 144584), (1166, 138260), (1240, 130009), (1364, 118190), (1643, 98120), (1705, 94552), (1784, 90365), (2120, 76043), (2230, 72292), (2332, 69130), (2453, 65720), (2728, 59095), (2915, 55304), (3286, 49060), (3410, 47276), (4460, 36146), (4664, 34565), (4906, 32860), (5830, 27652), (6572, 24530), (6820, 23638), (6913, 23320), (8215, 19624), (8920, 18073), (9812, 16430), (11660, 13826), (11819, 13640), (12265, 13144)]