258605340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{87961}}^1$

素因数の和:87987

約数の個数: 72

約数和(自身を含む): 842324112

約数和(自身を除く): 583718772

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, 87961, 175922, 263883, 351844, 439805, 527766, 615727, 879610, 1055532, 1231454, 1319415, 1759220, 1847181, 2462908, 2638830, 3078635, 3694362, 4310089, 5277660, 6157270, 7388724, 8620178, 9235905, 12314540, 12930267, 17240356, 18471810, 21550445, 25860534, 36943620, 43100890, 51721068, 64651335, 86201780, 129302670, 258605340]

約数ペア:

[(1, 258605340), (2, 129302670), (3, 86201780), (4, 64651335), (5, 51721068), (6, 43100890), (7, 36943620), (10, 25860534), (12, 21550445), (14, 18471810), (15, 17240356), (20, 12930267), (21, 12314540), (28, 9235905), (30, 8620178), (35, 7388724), (42, 6157270), (49, 5277660), (60, 4310089), (70, 3694362), (84, 3078635), (98, 2638830), (105, 2462908), (140, 1847181), (147, 1759220), (196, 1319415), (210, 1231454), (245, 1055532), (294, 879610), (420, 615727), (490, 527766), (588, 439805), (735, 351844), (980, 263883), (1470, 175922), (2940, 87961)]