90140715

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 201277440

約数和(自身を除く): 111136725

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 31, 35, 45, 51, 63, 85, 93, 105, 119, 135, 153, 155, 181, 189, 217, 255, 279, 315, 357, 459, 465, 527, 543, 595, 651, 765, 837, 905, 945, 1071, 1085, 1267, 1395, 1581, 1629, 1785, 1953, 2295, 2635, 2715, 3077, 3213, 3255, 3689, 3801, 4185, 4743, 4887, 5355, 5611, 5859, 6335, 7905, 8145, 9231, 9765, 11067, 11403, 14229, 15385, 16065, 16833, 18445, 19005, 21539, 23715, 24435, 27693, 28055, 29295, 33201, 34209, 39277, 46155, 50499, 55335, 57015, 64617, 71145, 83079, 84165, 95387, 99603, 107695, 117831, 138465, 151497, 166005, 171045, 193851, 196385, 252495, 286161, 323085, 353493, 415395, 476935, 498015, 581553, 589155, 667709, 757485, 858483, 969255, 1060479, 1430805, 1767465, 2003127, 2575449, 2907765, 3338545, 4292415, 5302395, 6009381, 10015635, 12877245, 18028143, 30046905, 90140715]

約数ペア:

[(1, 90140715), (3, 30046905), (5, 18028143), (7, 12877245), (9, 10015635), (15, 6009381), (17, 5302395), (21, 4292415), (27, 3338545), (31, 2907765), (35, 2575449), (45, 2003127), (51, 1767465), (63, 1430805), (85, 1060479), (93, 969255), (105, 858483), (119, 757485), (135, 667709), (153, 589155), (155, 581553), (181, 498015), (189, 476935), (217, 415395), (255, 353493), (279, 323085), (315, 286161), (357, 252495), (459, 196385), (465, 193851), (527, 171045), (543, 166005), (595, 151497), (651, 138465), (765, 117831), (837, 107695), (905, 99603), (945, 95387), (1071, 84165), (1085, 83079), (1267, 71145), (1395, 64617), (1581, 57015), (1629, 55335), (1785, 50499), (1953, 46155), (2295, 39277), (2635, 34209), (2715, 33201), (3077, 29295), (3213, 28055), (3255, 27693), (3689, 24435), (3801, 23715), (4185, 21539), (4743, 19005), (4887, 18445), (5355, 16833), (5611, 16065), (5859, 15385), (6335, 14229), (7905, 11403), (8145, 11067), (9231, 9765)]