4154220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{157}}^1$

素因数の和:189

約数の個数: 144

約数和(自身を含む): 15130080

約数和(自身を除く): 10975860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 157, 180, 189, 196, 210, 245, 252, 270, 294, 314, 315, 378, 420, 441, 471, 490, 540, 588, 628, 630, 735, 756, 785, 882, 942, 945, 980, 1099, 1260, 1323, 1413, 1470, 1570, 1764, 1884, 1890, 2198, 2205, 2355, 2646, 2826, 2940, 3140, 3297, 3780, 4239, 4396, 4410, 4710, 5292, 5495, 5652, 6594, 6615, 7065, 7693, 8478, 8820, 9420, 9891, 10990, 13188, 13230, 14130, 15386, 16485, 16956, 19782, 21195, 21980, 23079, 26460, 28260, 29673, 30772, 32970, 38465, 39564, 42390, 46158, 49455, 59346, 65940, 69237, 76930, 84780, 92316, 98910, 115395, 118692, 138474, 148365, 153860, 197820, 207711, 230790, 276948, 296730, 346185, 415422, 461580, 593460, 692370, 830844, 1038555, 1384740, 2077110, 4154220]

約数ペア:

[(1, 4154220), (2, 2077110), (3, 1384740), (4, 1038555), (5, 830844), (6, 692370), (7, 593460), (9, 461580), (10, 415422), (12, 346185), (14, 296730), (15, 276948), (18, 230790), (20, 207711), (21, 197820), (27, 153860), (28, 148365), (30, 138474), (35, 118692), (36, 115395), (42, 98910), (45, 92316), (49, 84780), (54, 76930), (60, 69237), (63, 65940), (70, 59346), (84, 49455), (90, 46158), (98, 42390), (105, 39564), (108, 38465), (126, 32970), (135, 30772), (140, 29673), (147, 28260), (157, 26460), (180, 23079), (189, 21980), (196, 21195), (210, 19782), (245, 16956), (252, 16485), (270, 15386), (294, 14130), (314, 13230), (315, 13188), (378, 10990), (420, 9891), (441, 9420), (471, 8820), (490, 8478), (540, 7693), (588, 7065), (628, 6615), (630, 6594), (735, 5652), (756, 5495), (785, 5292), (882, 4710), (942, 4410), (945, 4396), (980, 4239), (1099, 3780), (1260, 3297), (1323, 3140), (1413, 2940), (1470, 2826), (1570, 2646), (1764, 2355), (1884, 2205), (1890, 2198)]