18034960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:268

約数の個数: 80

約数和(自身を含む): 45198000

約数和(自身を除く): 27163040

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 89, 136, 149, 170, 178, 272, 298, 340, 356, 445, 596, 680, 712, 745, 890, 1192, 1360, 1424, 1490, 1513, 1780, 2384, 2533, 2980, 3026, 3560, 5066, 5960, 6052, 7120, 7565, 10132, 11920, 12104, 12665, 13261, 15130, 20264, 24208, 25330, 26522, 30260, 40528, 50660, 53044, 60520, 66305, 101320, 106088, 121040, 132610, 202640, 212176, 225437, 265220, 450874, 530440, 901748, 1060880, 1127185, 1803496, 2254370, 3606992, 4508740, 9017480, 18034960]

約数ペア:

[(1, 18034960), (2, 9017480), (4, 4508740), (5, 3606992), (8, 2254370), (10, 1803496), (16, 1127185), (17, 1060880), (20, 901748), (34, 530440), (40, 450874), (68, 265220), (80, 225437), (85, 212176), (89, 202640), (136, 132610), (149, 121040), (170, 106088), (178, 101320), (272, 66305), (298, 60520), (340, 53044), (356, 50660), (445, 40528), (596, 30260), (680, 26522), (712, 25330), (745, 24208), (890, 20264), (1192, 15130), (1360, 13261), (1424, 12665), (1490, 12104), (1513, 11920), (1780, 10132), (2384, 7565), (2533, 7120), (2980, 6052), (3026, 5960), (3560, 5066)]