55578040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 155750400

約数和(自身を除く): 100172360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 337, 380, 434, 532, 589, 620, 665, 674, 760, 868, 1064, 1085, 1178, 1240, 1330, 1348, 1685, 1736, 2170, 2356, 2359, 2660, 2696, 2945, 3370, 4123, 4340, 4712, 4718, 5320, 5890, 6403, 6740, 8246, 8680, 9436, 10447, 11780, 11795, 12806, 13480, 16492, 18872, 20615, 20894, 23560, 23590, 25612, 32015, 32984, 41230, 41788, 44821, 47180, 51224, 52235, 64030, 73129, 82460, 83576, 89642, 94360, 104470, 128060, 146258, 164920, 179284, 198493, 208940, 224105, 256120, 292516, 358568, 365645, 396986, 417880, 448210, 585032, 731290, 793972, 896420, 992465, 1389451, 1462580, 1587944, 1792840, 1984930, 2778902, 2925160, 3969860, 5557804, 6947255, 7939720, 11115608, 13894510, 27789020, 55578040]

約数ペア:

[(1, 55578040), (2, 27789020), (4, 13894510), (5, 11115608), (7, 7939720), (8, 6947255), (10, 5557804), (14, 3969860), (19, 2925160), (20, 2778902), (28, 1984930), (31, 1792840), (35, 1587944), (38, 1462580), (40, 1389451), (56, 992465), (62, 896420), (70, 793972), (76, 731290), (95, 585032), (124, 448210), (133, 417880), (140, 396986), (152, 365645), (155, 358568), (190, 292516), (217, 256120), (248, 224105), (266, 208940), (280, 198493), (310, 179284), (337, 164920), (380, 146258), (434, 128060), (532, 104470), (589, 94360), (620, 89642), (665, 83576), (674, 82460), (760, 73129), (868, 64030), (1064, 52235), (1085, 51224), (1178, 47180), (1240, 44821), (1330, 41788), (1348, 41230), (1685, 32984), (1736, 32015), (2170, 25612), (2356, 23590), (2359, 23560), (2660, 20894), (2696, 20615), (2945, 18872), (3370, 16492), (4123, 13480), (4340, 12806), (4712, 11795), (4718, 11780), (5320, 10447), (5890, 9436), (6403, 8680), (6740, 8246)]