78875460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23063}}^1$

素因数の和:23097

約数の個数: 72

約数和(自身を含む): 251858880

約数和(自身を除く): 172983420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 23063, 46126, 69189, 92252, 115315, 138378, 207567, 230630, 276756, 345945, 415134, 438197, 461260, 691890, 830268, 876394, 1037835, 1314591, 1383780, 1752788, 2075670, 2190985, 2629182, 3943773, 4151340, 4381970, 5258364, 6572955, 7887546, 8763940, 13145910, 15775092, 19718865, 26291820, 39437730, 78875460]

約数ペア:

[(1, 78875460), (2, 39437730), (3, 26291820), (4, 19718865), (5, 15775092), (6, 13145910), (9, 8763940), (10, 7887546), (12, 6572955), (15, 5258364), (18, 4381970), (19, 4151340), (20, 3943773), (30, 2629182), (36, 2190985), (38, 2075670), (45, 1752788), (57, 1383780), (60, 1314591), (76, 1037835), (90, 876394), (95, 830268), (114, 691890), (171, 461260), (180, 438197), (190, 415134), (228, 345945), (285, 276756), (342, 230630), (380, 207567), (570, 138378), (684, 115315), (855, 92252), (1140, 69189), (1710, 46126), (3420, 23063)]