1781424

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 60

約数和(自身を含む): 5077800

約数和(自身を除く): 3296376

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 139, 144, 178, 267, 278, 356, 417, 534, 556, 712, 801, 834, 1068, 1112, 1251, 1424, 1602, 1668, 2136, 2224, 2502, 3204, 3336, 4272, 5004, 6408, 6672, 10008, 12371, 12816, 20016, 24742, 37113, 49484, 74226, 98968, 111339, 148452, 197936, 222678, 296904, 445356, 593808, 890712, 1781424]

約数ペア:

[(1, 1781424), (2, 890712), (3, 593808), (4, 445356), (6, 296904), (8, 222678), (9, 197936), (12, 148452), (16, 111339), (18, 98968), (24, 74226), (36, 49484), (48, 37113), (72, 24742), (89, 20016), (139, 12816), (144, 12371), (178, 10008), (267, 6672), (278, 6408), (356, 5004), (417, 4272), (534, 3336), (556, 3204), (712, 2502), (801, 2224), (834, 2136), (1068, 1668), (1112, 1602), (1251, 1424)]