51215640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3249

約数の個数: 128

約数和(自身を含む): 184896000

約数和(自身を除く): 133680360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1995, 2280, 2660, 3192, 3209, 3990, 5320, 6418, 7980, 9627, 12836, 15960, 16045, 19254, 22463, 25672, 32090, 38508, 44926, 48135, 60971, 64180, 67389, 77016, 89852, 96270, 112315, 121942, 128360, 134778, 179704, 182913, 192540, 224630, 243884, 269556, 304855, 336945, 365826, 385080, 426797, 449260, 487768, 539112, 609710, 673890, 731652, 853594, 898520, 914565, 1219420, 1280391, 1347780, 1463304, 1707188, 1829130, 2133985, 2438840, 2560782, 2695560, 3414376, 3658260, 4267970, 5121564, 6401955, 7316520, 8535940, 10243128, 12803910, 17071880, 25607820, 51215640]

約数ペア:

[(1, 51215640), (2, 25607820), (3, 17071880), (4, 12803910), (5, 10243128), (6, 8535940), (7, 7316520), (8, 6401955), (10, 5121564), (12, 4267970), (14, 3658260), (15, 3414376), (19, 2695560), (20, 2560782), (21, 2438840), (24, 2133985), (28, 1829130), (30, 1707188), (35, 1463304), (38, 1347780), (40, 1280391), (42, 1219420), (56, 914565), (57, 898520), (60, 853594), (70, 731652), (76, 673890), (84, 609710), (95, 539112), (105, 487768), (114, 449260), (120, 426797), (133, 385080), (140, 365826), (152, 336945), (168, 304855), (190, 269556), (210, 243884), (228, 224630), (266, 192540), (280, 182913), (285, 179704), (380, 134778), (399, 128360), (420, 121942), (456, 112315), (532, 96270), (570, 89852), (665, 77016), (760, 67389), (798, 64180), (840, 60971), (1064, 48135), (1140, 44926), (1330, 38508), (1596, 32090), (1995, 25672), (2280, 22463), (2660, 19254), (3192, 16045), (3209, 15960), (3990, 12836), (5320, 9627), (6418, 7980)]