181022940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{143669}}^1$

素因数の和:143691

約数の個数: 72

約数和(自身を含む): 627550560

約数和(自身を除く): 446527620

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 143669, 287338, 431007, 574676, 718345, 862014, 1005683, 1293021, 1436690, 1724028, 2011366, 2155035, 2586042, 2873380, 3017049, 4022732, 4310070, 5028415, 5172084, 6034098, 6465105, 8620140, 9051147, 10056830, 12068196, 12930210, 15085245, 18102294, 20113660, 25860420, 30170490, 36204588, 45255735, 60340980, 90511470, 181022940]

約数ペア:

[(1, 181022940), (2, 90511470), (3, 60340980), (4, 45255735), (5, 36204588), (6, 30170490), (7, 25860420), (9, 20113660), (10, 18102294), (12, 15085245), (14, 12930210), (15, 12068196), (18, 10056830), (20, 9051147), (21, 8620140), (28, 6465105), (30, 6034098), (35, 5172084), (36, 5028415), (42, 4310070), (45, 4022732), (60, 3017049), (63, 2873380), (70, 2586042), (84, 2155035), (90, 2011366), (105, 1724028), (126, 1436690), (140, 1293021), (180, 1005683), (210, 862014), (252, 718345), (315, 574676), (420, 431007), (630, 287338), (1260, 143669)]