215857980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 732977280

約数和(自身を除く): 517119300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 97, 108, 117, 130, 135, 156, 180, 194, 195, 234, 260, 270, 291, 317, 351, 388, 390, 468, 485, 540, 582, 585, 634, 702, 780, 873, 951, 970, 1164, 1170, 1261, 1268, 1404, 1455, 1585, 1746, 1755, 1902, 1940, 2340, 2522, 2619, 2853, 2910, 3170, 3492, 3510, 3783, 3804, 4121, 4365, 4755, 5044, 5238, 5706, 5820, 6305, 6340, 7020, 7566, 8242, 8559, 8730, 9510, 10476, 11349, 11412, 12363, 12610, 13095, 14265, 15132, 16484, 17118, 17460, 18915, 19020, 20605, 22698, 24726, 25220, 26190, 28530, 30749, 34047, 34236, 37089, 37830, 41210, 42795, 45396, 49452, 52380, 56745, 57060, 61498, 61815, 68094, 74178, 75660, 82420, 85590, 92247, 111267, 113490, 122996, 123630, 136188, 148356, 153745, 170235, 171180, 184494, 185445, 222534, 226980, 247260, 276741, 307490, 340470, 368988, 370890, 399737, 445068, 461235, 553482, 556335, 614980, 680940, 741780, 799474, 830223, 922470, 1106964, 1112670, 1199211, 1383705, 1598948, 1660446, 1844940, 1998685, 2225340, 2398422, 2767410, 3320892, 3597633, 3997370, 4151115, 4796844, 5534820, 5996055, 7195266, 7994740, 8302230, 10792899, 11992110, 14390532, 16604460, 17988165, 21585798, 23984220, 35976330, 43171596, 53964495, 71952660, 107928990, 215857980]

約数ペア:

[(1, 215857980), (2, 107928990), (3, 71952660), (4, 53964495), (5, 43171596), (6, 35976330), (9, 23984220), (10, 21585798), (12, 17988165), (13, 16604460), (15, 14390532), (18, 11992110), (20, 10792899), (26, 8302230), (27, 7994740), (30, 7195266), (36, 5996055), (39, 5534820), (45, 4796844), (52, 4151115), (54, 3997370), (60, 3597633), (65, 3320892), (78, 2767410), (90, 2398422), (97, 2225340), (108, 1998685), (117, 1844940), (130, 1660446), (135, 1598948), (156, 1383705), (180, 1199211), (194, 1112670), (195, 1106964), (234, 922470), (260, 830223), (270, 799474), (291, 741780), (317, 680940), (351, 614980), (388, 556335), (390, 553482), (468, 461235), (485, 445068), (540, 399737), (582, 370890), (585, 368988), (634, 340470), (702, 307490), (780, 276741), (873, 247260), (951, 226980), (970, 222534), (1164, 185445), (1170, 184494), (1261, 171180), (1268, 170235), (1404, 153745), (1455, 148356), (1585, 136188), (1746, 123630), (1755, 122996), (1902, 113490), (1940, 111267), (2340, 92247), (2522, 85590), (2619, 82420), (2853, 75660), (2910, 74178), (3170, 68094), (3492, 61815), (3510, 61498), (3783, 57060), (3804, 56745), (4121, 52380), (4365, 49452), (4755, 45396), (5044, 42795), (5238, 41210), (5706, 37830), (5820, 37089), (6305, 34236), (6340, 34047), (7020, 30749), (7566, 28530), (8242, 26190), (8559, 25220), (8730, 24726), (9510, 22698), (10476, 20605), (11349, 19020), (11412, 18915), (12363, 17460), (12610, 17118), (13095, 16484), (14265, 15132)]