211958520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:765

約数の個数: 128

約数和(自身を含む): 662135040

約数和(自身を除く): 450176520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 67, 82, 120, 123, 134, 164, 201, 205, 246, 268, 328, 335, 402, 410, 492, 536, 615, 643, 670, 804, 820, 984, 1005, 1230, 1286, 1340, 1608, 1640, 1929, 2010, 2460, 2572, 2680, 2747, 3215, 3858, 4020, 4920, 5144, 5494, 6430, 7716, 8040, 8241, 9645, 10988, 12860, 13735, 15432, 16482, 19290, 21976, 25720, 26363, 27470, 32964, 38580, 41205, 43081, 52726, 54940, 65928, 77160, 79089, 82410, 86162, 105452, 109880, 129243, 131815, 158178, 164820, 172324, 210904, 215405, 258486, 263630, 316356, 329640, 344648, 395445, 430810, 516972, 527260, 632712, 646215, 790890, 861620, 1033944, 1054520, 1292430, 1581780, 1723240, 1766321, 2584860, 3163560, 3532642, 5169720, 5298963, 7065284, 8831605, 10597926, 14130568, 17663210, 21195852, 26494815, 35326420, 42391704, 52989630, 70652840, 105979260, 211958520]

約数ペア:

[(1, 211958520), (2, 105979260), (3, 70652840), (4, 52989630), (5, 42391704), (6, 35326420), (8, 26494815), (10, 21195852), (12, 17663210), (15, 14130568), (20, 10597926), (24, 8831605), (30, 7065284), (40, 5298963), (41, 5169720), (60, 3532642), (67, 3163560), (82, 2584860), (120, 1766321), (123, 1723240), (134, 1581780), (164, 1292430), (201, 1054520), (205, 1033944), (246, 861620), (268, 790890), (328, 646215), (335, 632712), (402, 527260), (410, 516972), (492, 430810), (536, 395445), (615, 344648), (643, 329640), (670, 316356), (804, 263630), (820, 258486), (984, 215405), (1005, 210904), (1230, 172324), (1286, 164820), (1340, 158178), (1608, 131815), (1640, 129243), (1929, 109880), (2010, 105452), (2460, 86162), (2572, 82410), (2680, 79089), (2747, 77160), (3215, 65928), (3858, 54940), (4020, 52726), (4920, 43081), (5144, 41205), (5494, 38580), (6430, 32964), (7716, 27470), (8040, 26363), (8241, 25720), (9645, 21976), (10988, 19290), (12860, 16482), (13735, 15432)]