72478930

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 69355310

約数列:

[1, 2, 5, 10, 31, 37, 62, 71, 74, 89, 142, 155, 178, 185, 310, 355, 370, 445, 710, 890, 1147, 2201, 2294, 2627, 2759, 3293, 4402, 5254, 5518, 5735, 6319, 6586, 11005, 11470, 12638, 13135, 13795, 16465, 22010, 26270, 27590, 31595, 32930, 63190, 81437, 102083, 162874, 195889, 204166, 233803, 391778, 407185, 467606, 510415, 814370, 979445, 1020830, 1169015, 1958890, 2338030, 7247893, 14495786, 36239465, 72478930]

約数ペア:

[(1, 72478930), (2, 36239465), (5, 14495786), (10, 7247893), (31, 2338030), (37, 1958890), (62, 1169015), (71, 1020830), (74, 979445), (89, 814370), (142, 510415), (155, 467606), (178, 407185), (185, 391778), (310, 233803), (355, 204166), (370, 195889), (445, 162874), (710, 102083), (890, 81437), (1147, 63190), (2201, 32930), (2294, 31595), (2627, 27590), (2759, 26270), (3293, 22010), (4402, 16465), (5254, 13795), (5518, 13135), (5735, 12638), (6319, 11470), (6586, 11005)]