30375040

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1531}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 75006720

約数和(自身を除く): 44631680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1531, 1984, 2480, 3062, 3968, 4960, 6124, 7655, 9920, 12248, 15310, 19840, 24496, 30620, 47461, 48992, 61240, 94922, 97984, 122480, 189844, 195968, 237305, 244960, 379688, 474610, 489920, 759376, 949220, 979840, 1518752, 1898440, 3037504, 3796880, 6075008, 7593760, 15187520, 30375040]

約数ペア:

[(1, 30375040), (2, 15187520), (4, 7593760), (5, 6075008), (8, 3796880), (10, 3037504), (16, 1898440), (20, 1518752), (31, 979840), (32, 949220), (40, 759376), (62, 489920), (64, 474610), (80, 379688), (124, 244960), (128, 237305), (155, 195968), (160, 189844), (248, 122480), (310, 97984), (320, 94922), (496, 61240), (620, 48992), (640, 47461), (992, 30620), (1240, 24496), (1531, 19840), (1984, 15310), (2480, 12248), (3062, 9920), (3968, 7655), (4960, 6124)]