13809880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:129

約数の個数: 128

約数和(自身を含む): 38522880

約数和(自身を除く): 24713000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 37, 40, 43, 56, 62, 70, 74, 86, 124, 140, 148, 155, 172, 185, 215, 217, 248, 259, 280, 296, 301, 310, 344, 370, 430, 434, 518, 602, 620, 740, 860, 868, 1036, 1085, 1147, 1204, 1240, 1295, 1333, 1480, 1505, 1591, 1720, 1736, 2072, 2170, 2294, 2408, 2590, 2666, 3010, 3182, 4340, 4588, 5180, 5332, 5735, 6020, 6364, 6665, 7955, 8029, 8680, 9176, 9331, 10360, 10664, 11137, 11470, 12040, 12728, 13330, 15910, 16058, 18662, 22274, 22940, 26660, 31820, 32116, 37324, 40145, 44548, 45880, 46655, 49321, 53320, 55685, 63640, 64232, 74648, 80290, 89096, 93310, 98642, 111370, 160580, 186620, 197284, 222740, 246605, 321160, 345247, 373240, 394568, 445480, 493210, 690494, 986420, 1380988, 1726235, 1972840, 2761976, 3452470, 6904940, 13809880]

約数ペア:

[(1, 13809880), (2, 6904940), (4, 3452470), (5, 2761976), (7, 1972840), (8, 1726235), (10, 1380988), (14, 986420), (20, 690494), (28, 493210), (31, 445480), (35, 394568), (37, 373240), (40, 345247), (43, 321160), (56, 246605), (62, 222740), (70, 197284), (74, 186620), (86, 160580), (124, 111370), (140, 98642), (148, 93310), (155, 89096), (172, 80290), (185, 74648), (215, 64232), (217, 63640), (248, 55685), (259, 53320), (280, 49321), (296, 46655), (301, 45880), (310, 44548), (344, 40145), (370, 37324), (430, 32116), (434, 31820), (518, 26660), (602, 22940), (620, 22274), (740, 18662), (860, 16058), (868, 15910), (1036, 13330), (1085, 12728), (1147, 12040), (1204, 11470), (1240, 11137), (1295, 10664), (1333, 10360), (1480, 9331), (1505, 9176), (1591, 8680), (1720, 8029), (1736, 7955), (2072, 6665), (2170, 6364), (2294, 6020), (2408, 5735), (2590, 5332), (2666, 5180), (3010, 4588), (3182, 4340)]