64175980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1153}}^1$

素因数の和:1207

約数の個数: 72

約数和(自身を含む): 154709856

約数和(自身を除く): 90533876

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 92, 110, 115, 121, 220, 230, 242, 253, 460, 484, 506, 605, 1012, 1153, 1210, 1265, 2306, 2420, 2530, 2783, 4612, 5060, 5566, 5765, 11132, 11530, 12683, 13915, 23060, 25366, 26519, 27830, 50732, 53038, 55660, 63415, 106076, 126830, 132595, 139513, 253660, 265190, 279026, 291709, 530380, 558052, 583418, 697565, 1166836, 1395130, 1458545, 2790260, 2917090, 3208799, 5834180, 6417598, 12835196, 16043995, 32087990, 64175980]

約数ペア:

[(1, 64175980), (2, 32087990), (4, 16043995), (5, 12835196), (10, 6417598), (11, 5834180), (20, 3208799), (22, 2917090), (23, 2790260), (44, 1458545), (46, 1395130), (55, 1166836), (92, 697565), (110, 583418), (115, 558052), (121, 530380), (220, 291709), (230, 279026), (242, 265190), (253, 253660), (460, 139513), (484, 132595), (506, 126830), (605, 106076), (1012, 63415), (1153, 55660), (1210, 53038), (1265, 50732), (2306, 27830), (2420, 26519), (2530, 25366), (2783, 23060), (4612, 13915), (5060, 12683), (5566, 11530), (5765, 11132)]