310731120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{20551}}^1$

素因数の和:20580

約数の個数: 160

約数和(自身を含む): 1223255040

約数和(自身を除く): 912523920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 20551, 41102, 61653, 82204, 102755, 123306, 143857, 164408, 184959, 205510, 246612, 287714, 308265, 328816, 369918, 411020, 431571, 493224, 554877, 575428, 616530, 719285, 739836, 822040, 863142, 924795, 986448, 1109754, 1150856, 1233060, 1294713, 1438570, 1479672, 1644080, 1726284, 1849590, 2157855, 2219508, 2301712, 2466120, 2589426, 2774385, 2877140, 2959344, 3452568, 3699180, 3884139, 4315710, 4439016, 4932240, 5178852, 5548770, 5754280, 6473565, 6905136, 7398360, 7768278, 8631420, 8878032, 10357704, 11097540, 11508560, 12947130, 14796720, 15536556, 17262840, 19420695, 20715408, 22195080, 25894260, 31073112, 34525680, 38841390, 44390160, 51788520, 62146224, 77682780, 103577040, 155365560, 310731120]

約数ペア:

[(1, 310731120), (2, 155365560), (3, 103577040), (4, 77682780), (5, 62146224), (6, 51788520), (7, 44390160), (8, 38841390), (9, 34525680), (10, 31073112), (12, 25894260), (14, 22195080), (15, 20715408), (16, 19420695), (18, 17262840), (20, 15536556), (21, 14796720), (24, 12947130), (27, 11508560), (28, 11097540), (30, 10357704), (35, 8878032), (36, 8631420), (40, 7768278), (42, 7398360), (45, 6905136), (48, 6473565), (54, 5754280), (56, 5548770), (60, 5178852), (63, 4932240), (70, 4439016), (72, 4315710), (80, 3884139), (84, 3699180), (90, 3452568), (105, 2959344), (108, 2877140), (112, 2774385), (120, 2589426), (126, 2466120), (135, 2301712), (140, 2219508), (144, 2157855), (168, 1849590), (180, 1726284), (189, 1644080), (210, 1479672), (216, 1438570), (240, 1294713), (252, 1233060), (270, 1150856), (280, 1109754), (315, 986448), (336, 924795), (360, 863142), (378, 822040), (420, 739836), (432, 719285), (504, 616530), (540, 575428), (560, 554877), (630, 493224), (720, 431571), (756, 411020), (840, 369918), (945, 328816), (1008, 308265), (1080, 287714), (1260, 246612), (1512, 205510), (1680, 184959), (1890, 164408), (2160, 143857), (2520, 123306), (3024, 102755), (3780, 82204), (5040, 61653), (7560, 41102), (15120, 20551)]