215720010

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 240

約数和(自身を含む): 667408896

約数和(自身を除く): 451688886

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 31, 33, 45, 54, 55, 62, 66, 71, 81, 90, 93, 99, 110, 121, 135, 142, 155, 162, 165, 186, 198, 213, 242, 270, 279, 297, 310, 330, 341, 355, 363, 405, 426, 465, 495, 558, 594, 605, 639, 682, 710, 726, 781, 810, 837, 891, 930, 990, 1023, 1065, 1089, 1210, 1278, 1395, 1485, 1562, 1674, 1705, 1782, 1815, 1917, 2046, 2130, 2178, 2201, 2343, 2511, 2790, 2970, 3069, 3195, 3267, 3410, 3630, 3751, 3834, 3905, 4185, 4402, 4455, 4686, 5022, 5115, 5445, 5751, 6138, 6390, 6534, 6603, 7029, 7502, 7810, 8370, 8591, 8910, 9207, 9585, 9801, 10230, 10890, 11005, 11253, 11502, 11715, 12555, 13206, 14058, 15345, 16335, 17182, 18414, 18755, 19170, 19602, 19809, 21087, 22010, 22506, 23430, 24211, 25110, 25773, 27621, 28755, 30690, 32670, 33015, 33759, 35145, 37510, 39618, 42174, 42955, 46035, 48422, 49005, 51546, 55242, 56265, 57510, 59427, 63261, 66030, 67518, 70290, 72633, 77319, 85910, 92070, 98010, 99045, 101277, 105435, 112530, 118854, 121055, 126522, 128865, 138105, 145266, 154638, 168795, 178281, 198090, 202554, 210870, 217899, 231957, 242110, 257730, 266321, 276210, 297135, 303831, 316305, 337590, 356562, 363165, 386595, 435798, 463914, 506385, 532642, 594270, 607662, 632610, 653697, 695871, 726330, 773190, 798963, 891405, 1012770, 1089495, 1159785, 1307394, 1331605, 1391742, 1519155, 1597926, 1782810, 1961091, 2178990, 2319570, 2396889, 2663210, 3038310, 3268485, 3479355, 3922182, 3994815, 4793778, 6536970, 6958710, 7190667, 7989630, 9805455, 11984445, 14381334, 19610910, 21572001, 23968890, 35953335, 43144002, 71906670, 107860005, 215720010]

約数ペア:

[(1, 215720010), (2, 107860005), (3, 71906670), (5, 43144002), (6, 35953335), (9, 23968890), (10, 21572001), (11, 19610910), (15, 14381334), (18, 11984445), (22, 9805455), (27, 7989630), (30, 7190667), (31, 6958710), (33, 6536970), (45, 4793778), (54, 3994815), (55, 3922182), (62, 3479355), (66, 3268485), (71, 3038310), (81, 2663210), (90, 2396889), (93, 2319570), (99, 2178990), (110, 1961091), (121, 1782810), (135, 1597926), (142, 1519155), (155, 1391742), (162, 1331605), (165, 1307394), (186, 1159785), (198, 1089495), (213, 1012770), (242, 891405), (270, 798963), (279, 773190), (297, 726330), (310, 695871), (330, 653697), (341, 632610), (355, 607662), (363, 594270), (405, 532642), (426, 506385), (465, 463914), (495, 435798), (558, 386595), (594, 363165), (605, 356562), (639, 337590), (682, 316305), (710, 303831), (726, 297135), (781, 276210), (810, 266321), (837, 257730), (891, 242110), (930, 231957), (990, 217899), (1023, 210870), (1065, 202554), (1089, 198090), (1210, 178281), (1278, 168795), (1395, 154638), (1485, 145266), (1562, 138105), (1674, 128865), (1705, 126522), (1782, 121055), (1815, 118854), (1917, 112530), (2046, 105435), (2130, 101277), (2178, 99045), (2201, 98010), (2343, 92070), (2511, 85910), (2790, 77319), (2970, 72633), (3069, 70290), (3195, 67518), (3267, 66030), (3410, 63261), (3630, 59427), (3751, 57510), (3834, 56265), (3905, 55242), (4185, 51546), (4402, 49005), (4455, 48422), (4686, 46035), (5022, 42955), (5115, 42174), (5445, 39618), (5751, 37510), (6138, 35145), (6390, 33759), (6534, 33015), (6603, 32670), (7029, 30690), (7502, 28755), (7810, 27621), (8370, 25773), (8591, 25110), (8910, 24211), (9207, 23430), (9585, 22506), (9801, 22010), (10230, 21087), (10890, 19809), (11005, 19602), (11253, 19170), (11502, 18755), (11715, 18414), (12555, 17182), (13206, 16335), (14058, 15345)]