1278251280

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{197261}}^1$

素因数の和:197286

約数の個数: 100

約数和(自身を含む): 4439578572

約数和(自身を除く): 3161327292

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 197261, 394522, 591783, 789044, 986305, 1183566, 1578088, 1775349, 1972610, 2367132, 2958915, 3156176, 3550698, 3945220, 4734264, 5326047, 5917830, 7101396, 7890440, 8876745, 9468528, 10652094, 11835660, 14202792, 15780880, 15978141, 17753490, 21304188, 23671320, 26630235, 28405584, 31956282, 35506980, 42608376, 47342640, 53260470, 63912564, 71013960, 79890705, 85216752, 106520940, 127825128, 142027920, 159781410, 213041880, 255650256, 319562820, 426083760, 639125640, 1278251280]

約数ペア:

[(1, 1278251280), (2, 639125640), (3, 426083760), (4, 319562820), (5, 255650256), (6, 213041880), (8, 159781410), (9, 142027920), (10, 127825128), (12, 106520940), (15, 85216752), (16, 79890705), (18, 71013960), (20, 63912564), (24, 53260470), (27, 47342640), (30, 42608376), (36, 35506980), (40, 31956282), (45, 28405584), (48, 26630235), (54, 23671320), (60, 21304188), (72, 17753490), (80, 15978141), (81, 15780880), (90, 14202792), (108, 11835660), (120, 10652094), (135, 9468528), (144, 8876745), (162, 7890440), (180, 7101396), (216, 5917830), (240, 5326047), (270, 4734264), (324, 3945220), (360, 3550698), (405, 3156176), (432, 2958915), (540, 2367132), (648, 1972610), (720, 1775349), (810, 1578088), (1080, 1183566), (1296, 986305), (1620, 789044), (2160, 591783), (3240, 394522), (6480, 197261)]