28006320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:1990

約数の個数: 80

約数和(自身を含む): 88288992

約数和(自身を除く): 60282672

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 1913, 2440, 2928, 3660, 3826, 4880, 5739, 7320, 7652, 9565, 11478, 14640, 15304, 19130, 22956, 28695, 30608, 38260, 45912, 57390, 76520, 91824, 114780, 116693, 153040, 229560, 233386, 350079, 459120, 466772, 583465, 700158, 933544, 1166930, 1400316, 1750395, 1867088, 2333860, 2800632, 3500790, 4667720, 5601264, 7001580, 9335440, 14003160, 28006320]

約数ペア:

[(1, 28006320), (2, 14003160), (3, 9335440), (4, 7001580), (5, 5601264), (6, 4667720), (8, 3500790), (10, 2800632), (12, 2333860), (15, 1867088), (16, 1750395), (20, 1400316), (24, 1166930), (30, 933544), (40, 700158), (48, 583465), (60, 466772), (61, 459120), (80, 350079), (120, 233386), (122, 229560), (183, 153040), (240, 116693), (244, 114780), (305, 91824), (366, 76520), (488, 57390), (610, 45912), (732, 38260), (915, 30608), (976, 28695), (1220, 22956), (1464, 19130), (1830, 15304), (1913, 14640), (2440, 11478), (2928, 9565), (3660, 7652), (3826, 7320), (4880, 5739)]