155013460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:821

約数の個数: 72

約数和(自身を含む): 380588544

約数和(自身を除く): 225575084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 367, 431, 490, 734, 862, 980, 1468, 1724, 1835, 2155, 2569, 3017, 3670, 4310, 5138, 6034, 7340, 8620, 10276, 12068, 12845, 15085, 17983, 21119, 25690, 30170, 35966, 42238, 51380, 60340, 71932, 84476, 89915, 105595, 158177, 179830, 211190, 316354, 359660, 422380, 632708, 790885, 1107239, 1581770, 2214478, 3163540, 4428956, 5536195, 7750673, 11072390, 15501346, 22144780, 31002692, 38753365, 77506730, 155013460]

約数ペア:

[(1, 155013460), (2, 77506730), (4, 38753365), (5, 31002692), (7, 22144780), (10, 15501346), (14, 11072390), (20, 7750673), (28, 5536195), (35, 4428956), (49, 3163540), (70, 2214478), (98, 1581770), (140, 1107239), (196, 790885), (245, 632708), (367, 422380), (431, 359660), (490, 316354), (734, 211190), (862, 179830), (980, 158177), (1468, 105595), (1724, 89915), (1835, 84476), (2155, 71932), (2569, 60340), (3017, 51380), (3670, 42238), (4310, 35966), (5138, 30170), (6034, 25690), (7340, 21119), (8620, 17983), (10276, 15085), (12068, 12845)]