321956460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:413

約数の個数: 216

約数和(自身を含む): 1148028336

約数和(自身を除く): 826071876

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 173, 180, 196, 210, 211, 245, 252, 294, 315, 346, 420, 422, 441, 490, 519, 588, 630, 633, 692, 735, 844, 865, 882, 980, 1038, 1055, 1211, 1260, 1266, 1470, 1477, 1557, 1730, 1764, 1899, 2076, 2110, 2205, 2422, 2532, 2595, 2940, 2954, 3114, 3165, 3460, 3633, 3798, 4220, 4410, 4431, 4844, 5190, 5908, 6055, 6228, 6330, 7266, 7385, 7596, 7785, 8477, 8820, 8862, 9495, 10339, 10380, 10899, 12110, 12660, 13293, 14532, 14770, 15570, 16954, 17724, 18165, 18990, 20678, 21798, 22155, 24220, 25431, 26586, 29540, 31017, 31140, 33908, 36330, 36503, 37980, 41356, 42385, 43596, 44310, 50862, 51695, 53172, 54495, 62034, 66465, 72660, 73006, 76293, 84770, 88620, 93051, 101724, 103390, 108990, 109509, 124068, 127155, 132930, 146012, 152586, 155085, 169540, 182515, 186102, 206780, 217980, 219018, 254310, 255521, 265860, 305172, 310170, 328527, 365030, 372204, 381465, 438036, 465255, 508620, 511042, 547545, 620340, 657054, 730060, 762930, 766563, 930510, 1022084, 1095090, 1277605, 1314108, 1525860, 1533126, 1642635, 1788647, 1861020, 2190180, 2299689, 2555210, 3066252, 3285270, 3577294, 3832815, 4599378, 5110420, 5365941, 6570540, 7154588, 7665630, 8943235, 9198756, 10731882, 11498445, 15331260, 16097823, 17886470, 21463764, 22996890, 26829705, 32195646, 35772940, 45993780, 53659410, 64391292, 80489115, 107318820, 160978230, 321956460]

約数ペア:

[(1, 321956460), (2, 160978230), (3, 107318820), (4, 80489115), (5, 64391292), (6, 53659410), (7, 45993780), (9, 35772940), (10, 32195646), (12, 26829705), (14, 22996890), (15, 21463764), (18, 17886470), (20, 16097823), (21, 15331260), (28, 11498445), (30, 10731882), (35, 9198756), (36, 8943235), (42, 7665630), (45, 7154588), (49, 6570540), (60, 5365941), (63, 5110420), (70, 4599378), (84, 3832815), (90, 3577294), (98, 3285270), (105, 3066252), (126, 2555210), (140, 2299689), (147, 2190180), (173, 1861020), (180, 1788647), (196, 1642635), (210, 1533126), (211, 1525860), (245, 1314108), (252, 1277605), (294, 1095090), (315, 1022084), (346, 930510), (420, 766563), (422, 762930), (441, 730060), (490, 657054), (519, 620340), (588, 547545), (630, 511042), (633, 508620), (692, 465255), (735, 438036), (844, 381465), (865, 372204), (882, 365030), (980, 328527), (1038, 310170), (1055, 305172), (1211, 265860), (1260, 255521), (1266, 254310), (1470, 219018), (1477, 217980), (1557, 206780), (1730, 186102), (1764, 182515), (1899, 169540), (2076, 155085), (2110, 152586), (2205, 146012), (2422, 132930), (2532, 127155), (2595, 124068), (2940, 109509), (2954, 108990), (3114, 103390), (3165, 101724), (3460, 93051), (3633, 88620), (3798, 84770), (4220, 76293), (4410, 73006), (4431, 72660), (4844, 66465), (5190, 62034), (5908, 54495), (6055, 53172), (6228, 51695), (6330, 50862), (7266, 44310), (7385, 43596), (7596, 42385), (7785, 41356), (8477, 37980), (8820, 36503), (8862, 36330), (9495, 33908), (10339, 31140), (10380, 31017), (10899, 29540), (12110, 26586), (12660, 25431), (13293, 24220), (14532, 22155), (14770, 21798), (15570, 20678), (16954, 18990), (17724, 18165)]