90172740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{30671}}^1$

素因数の和:30697

約数の個数: 72

約数和(自身を含む): 293715072

約数和(自身を除く): 203542332

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 30671, 61342, 92013, 122684, 153355, 184026, 214697, 306710, 368052, 429394, 460065, 613420, 644091, 858788, 920130, 1073485, 1288182, 1502879, 1840260, 2146970, 2576364, 3005758, 3220455, 4293940, 4508637, 6011516, 6440910, 7514395, 9017274, 12881820, 15028790, 18034548, 22543185, 30057580, 45086370, 90172740]

約数ペア:

[(1, 90172740), (2, 45086370), (3, 30057580), (4, 22543185), (5, 18034548), (6, 15028790), (7, 12881820), (10, 9017274), (12, 7514395), (14, 6440910), (15, 6011516), (20, 4508637), (21, 4293940), (28, 3220455), (30, 3005758), (35, 2576364), (42, 2146970), (49, 1840260), (60, 1502879), (70, 1288182), (84, 1073485), (98, 920130), (105, 858788), (140, 644091), (147, 613420), (196, 460065), (210, 429394), (245, 368052), (294, 306710), (420, 214697), (490, 184026), (588, 153355), (735, 122684), (980, 92013), (1470, 61342), (2940, 30671)]