71229840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26981}}^1$

素因数の和:27008

約数の個数: 80

約数和(自身を含む): 240895296

約数和(自身を除く): 169665456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 26981, 53962, 80943, 107924, 134905, 161886, 215848, 269810, 296791, 323772, 404715, 431696, 539620, 593582, 647544, 809430, 890373, 1079240, 1187164, 1295088, 1483955, 1618860, 1780746, 2158480, 2374328, 2967910, 3237720, 3561492, 4451865, 4748656, 5935820, 6475440, 7122984, 8903730, 11871640, 14245968, 17807460, 23743280, 35614920, 71229840]

約数ペア:

[(1, 71229840), (2, 35614920), (3, 23743280), (4, 17807460), (5, 14245968), (6, 11871640), (8, 8903730), (10, 7122984), (11, 6475440), (12, 5935820), (15, 4748656), (16, 4451865), (20, 3561492), (22, 3237720), (24, 2967910), (30, 2374328), (33, 2158480), (40, 1780746), (44, 1618860), (48, 1483955), (55, 1295088), (60, 1187164), (66, 1079240), (80, 890373), (88, 809430), (110, 647544), (120, 593582), (132, 539620), (165, 431696), (176, 404715), (220, 323772), (240, 296791), (264, 269810), (330, 215848), (440, 161886), (528, 134905), (660, 107924), (880, 80943), (1320, 53962), (2640, 26981)]