291317880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18253}}^1$

素因数の和:18293

約数の個数: 128

約数和(自身を含む): 1051430400

約数和(自身を除く): 760112520

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, 3990, 5320, 7980, 15960, 18253, 36506, 54759, 73012, 91265, 109518, 127771, 146024, 182530, 219036, 255542, 273795, 346807, 365060, 383313, 438072, 511084, 547590, 638855, 693614, 730120, 766626, 1022168, 1040421, 1095180, 1277710, 1387228, 1533252, 1734035, 1916565, 2080842, 2190360, 2427649, 2555420, 2774456, 3066504, 3468070, 3833130, 4161684, 4855298, 5110840, 5202105, 6936140, 7282947, 7666260, 8323368, 9710596, 10404210, 12138245, 13872280, 14565894, 15332520, 19421192, 20808420, 24276490, 29131788, 36414735, 41616840, 48552980, 58263576, 72829470, 97105960, 145658940, 291317880]

約数ペア:

[(1, 291317880), (2, 145658940), (3, 97105960), (4, 72829470), (5, 58263576), (6, 48552980), (7, 41616840), (8, 36414735), (10, 29131788), (12, 24276490), (14, 20808420), (15, 19421192), (19, 15332520), (20, 14565894), (21, 13872280), (24, 12138245), (28, 10404210), (30, 9710596), (35, 8323368), (38, 7666260), (40, 7282947), (42, 6936140), (56, 5202105), (57, 5110840), (60, 4855298), (70, 4161684), (76, 3833130), (84, 3468070), (95, 3066504), (105, 2774456), (114, 2555420), (120, 2427649), (133, 2190360), (140, 2080842), (152, 1916565), (168, 1734035), (190, 1533252), (210, 1387228), (228, 1277710), (266, 1095180), (280, 1040421), (285, 1022168), (380, 766626), (399, 730120), (420, 693614), (456, 638855), (532, 547590), (570, 511084), (665, 438072), (760, 383313), (798, 365060), (840, 346807), (1064, 273795), (1140, 255542), (1330, 219036), (1596, 182530), (1995, 146024), (2280, 127771), (2660, 109518), (3192, 91265), (3990, 73012), (5320, 54759), (7980, 36506), (15960, 18253)]