1555386420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{529043}}^1$

素因数の和:529069

約数の個数: 72

約数和(自身を含む): 5066125344

約数和(自身を除く): 3510738924

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, 529043, 1058086, 1587129, 2116172, 2645215, 3174258, 3703301, 5290430, 6348516, 7406602, 7935645, 10580860, 11109903, 14813204, 15871290, 18516505, 22219806, 25923107, 31742580, 37033010, 44439612, 51846214, 55549515, 74066020, 77769321, 103692428, 111099030, 129615535, 155538642, 222198060, 259231070, 311077284, 388846605, 518462140, 777693210, 1555386420]

約数ペア:

[(1, 1555386420), (2, 777693210), (3, 518462140), (4, 388846605), (5, 311077284), (6, 259231070), (7, 222198060), (10, 155538642), (12, 129615535), (14, 111099030), (15, 103692428), (20, 77769321), (21, 74066020), (28, 55549515), (30, 51846214), (35, 44439612), (42, 37033010), (49, 31742580), (60, 25923107), (70, 22219806), (84, 18516505), (98, 15871290), (105, 14813204), (140, 11109903), (147, 10580860), (196, 7935645), (210, 7406602), (245, 6348516), (294, 5290430), (420, 3703301), (490, 3174258), (588, 2645215), (735, 2116172), (980, 1587129), (1470, 1058086), (2940, 529043)]