31055220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{503}}^1$

素因数の和:539

約数の個数: 144

約数和(自身を含む): 110073600

約数和(自身を除く): 79018380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 503, 588, 630, 686, 735, 882, 980, 1006, 1029, 1260, 1372, 1470, 1509, 1715, 1764, 2012, 2058, 2205, 2515, 2940, 3018, 3087, 3430, 3521, 4116, 4410, 4527, 5030, 5145, 6036, 6174, 6860, 7042, 7545, 8820, 9054, 10060, 10290, 10563, 12348, 14084, 15090, 15435, 17605, 18108, 20580, 21126, 22635, 24647, 30180, 30870, 31689, 35210, 42252, 45270, 49294, 52815, 61740, 63378, 70420, 73941, 90540, 98588, 105630, 123235, 126756, 147882, 158445, 172529, 211260, 221823, 246470, 295764, 316890, 345058, 369705, 443646, 492940, 517587, 633780, 690116, 739410, 862645, 887292, 1035174, 1109115, 1478820, 1552761, 1725290, 2070348, 2218230, 2587935, 3105522, 3450580, 4436460, 5175870, 6211044, 7763805, 10351740, 15527610, 31055220]

約数ペア:

[(1, 31055220), (2, 15527610), (3, 10351740), (4, 7763805), (5, 6211044), (6, 5175870), (7, 4436460), (9, 3450580), (10, 3105522), (12, 2587935), (14, 2218230), (15, 2070348), (18, 1725290), (20, 1552761), (21, 1478820), (28, 1109115), (30, 1035174), (35, 887292), (36, 862645), (42, 739410), (45, 690116), (49, 633780), (60, 517587), (63, 492940), (70, 443646), (84, 369705), (90, 345058), (98, 316890), (105, 295764), (126, 246470), (140, 221823), (147, 211260), (180, 172529), (196, 158445), (210, 147882), (245, 126756), (252, 123235), (294, 105630), (315, 98588), (343, 90540), (420, 73941), (441, 70420), (490, 63378), (503, 61740), (588, 52815), (630, 49294), (686, 45270), (735, 42252), (882, 35210), (980, 31689), (1006, 30870), (1029, 30180), (1260, 24647), (1372, 22635), (1470, 21126), (1509, 20580), (1715, 18108), (1764, 17605), (2012, 15435), (2058, 15090), (2205, 14084), (2515, 12348), (2940, 10563), (3018, 10290), (3087, 10060), (3430, 9054), (3521, 8820), (4116, 7545), (4410, 7042), (4527, 6860), (5030, 6174), (5145, 6036)]