1720691640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{1307}}^1$

素因数の和:1403

約数の個数: 256

約数和(自身を含む): 6102604800

約数和(自身を除く): 4381913160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 53, 54, 60, 69, 72, 90, 92, 106, 108, 115, 120, 135, 138, 159, 180, 184, 207, 212, 216, 230, 265, 270, 276, 318, 345, 360, 414, 424, 460, 477, 530, 540, 552, 621, 636, 690, 795, 828, 920, 954, 1035, 1060, 1080, 1219, 1242, 1272, 1307, 1380, 1431, 1590, 1656, 1908, 2070, 2120, 2385, 2438, 2484, 2614, 2760, 2862, 3105, 3180, 3657, 3816, 3921, 4140, 4770, 4876, 4968, 5228, 5724, 6095, 6210, 6360, 6535, 7155, 7314, 7842, 8280, 9540, 9752, 10456, 10971, 11448, 11763, 12190, 12420, 13070, 14310, 14628, 15684, 18285, 19080, 19605, 21942, 23526, 24380, 24840, 26140, 28620, 29256, 30061, 31368, 32913, 35289, 36570, 39210, 43884, 47052, 48760, 52280, 54855, 57240, 58815, 60122, 65826, 69271, 70578, 73140, 78420, 87768, 90183, 94104, 109710, 117630, 120244, 131652, 138542, 141156, 146280, 150305, 156840, 164565, 176445, 180366, 207813, 219420, 235260, 240488, 263304, 270549, 277084, 282312, 300610, 329130, 346355, 352890, 360732, 415626, 438840, 450915, 470520, 541098, 554168, 601220, 623439, 658260, 692710, 705780, 721464, 811647, 831252, 901830, 1039065, 1082196, 1202440, 1246878, 1316520, 1352745, 1385420, 1411560, 1593233, 1623294, 1662504, 1803660, 1870317, 2078130, 2164392, 2493756, 2705490, 2770840, 3117195, 3186466, 3246588, 3607320, 3740634, 4058235, 4156260, 4779699, 4987512, 5410980, 6234390, 6372932, 6493176, 7481268, 7966165, 8116470, 8312520, 9351585, 9559398, 10821960, 12468780, 12745864, 14339097, 14962536, 15932330, 16232940, 18703170, 19118796, 23898495, 24937560, 28678194, 31864660, 32465880, 37406340, 38237592, 43017291, 47796990, 57356388, 63729320, 71695485, 74812680, 86034582, 95593980, 114712776, 143390970, 172069164, 191187960, 215086455, 286781940, 344138328, 430172910, 573563880, 860345820, 1720691640]

約数ペア:

[(1, 1720691640), (2, 860345820), (3, 573563880), (4, 430172910), (5, 344138328), (6, 286781940), (8, 215086455), (9, 191187960), (10, 172069164), (12, 143390970), (15, 114712776), (18, 95593980), (20, 86034582), (23, 74812680), (24, 71695485), (27, 63729320), (30, 57356388), (36, 47796990), (40, 43017291), (45, 38237592), (46, 37406340), (53, 32465880), (54, 31864660), (60, 28678194), (69, 24937560), (72, 23898495), (90, 19118796), (92, 18703170), (106, 16232940), (108, 15932330), (115, 14962536), (120, 14339097), (135, 12745864), (138, 12468780), (159, 10821960), (180, 9559398), (184, 9351585), (207, 8312520), (212, 8116470), (216, 7966165), (230, 7481268), (265, 6493176), (270, 6372932), (276, 6234390), (318, 5410980), (345, 4987512), (360, 4779699), (414, 4156260), (424, 4058235), (460, 3740634), (477, 3607320), (530, 3246588), (540, 3186466), (552, 3117195), (621, 2770840), (636, 2705490), (690, 2493756), (795, 2164392), (828, 2078130), (920, 1870317), (954, 1803660), (1035, 1662504), (1060, 1623294), (1080, 1593233), (1219, 1411560), (1242, 1385420), (1272, 1352745), (1307, 1316520), (1380, 1246878), (1431, 1202440), (1590, 1082196), (1656, 1039065), (1908, 901830), (2070, 831252), (2120, 811647), (2385, 721464), (2438, 705780), (2484, 692710), (2614, 658260), (2760, 623439), (2862, 601220), (3105, 554168), (3180, 541098), (3657, 470520), (3816, 450915), (3921, 438840), (4140, 415626), (4770, 360732), (4876, 352890), (4968, 346355), (5228, 329130), (5724, 300610), (6095, 282312), (6210, 277084), (6360, 270549), (6535, 263304), (7155, 240488), (7314, 235260), (7842, 219420), (8280, 207813), (9540, 180366), (9752, 176445), (10456, 164565), (10971, 156840), (11448, 150305), (11763, 146280), (12190, 141156), (12420, 138542), (13070, 131652), (14310, 120244), (14628, 117630), (15684, 109710), (18285, 94104), (19080, 90183), (19605, 87768), (21942, 78420), (23526, 73140), (24380, 70578), (24840, 69271), (26140, 65826), (28620, 60122), (29256, 58815), (30061, 57240), (31368, 54855), (32913, 52280), (35289, 48760), (36570, 47052), (39210, 43884)]