1472917720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{659}}^1\times {\mathrm{787}}^1$

素因数の和:1528

約数の個数: 64

約数和(自身を含む): 3370118400

約数和(自身を除く): 1897200680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 659, 710, 787, 1318, 1420, 1574, 2636, 2840, 3148, 3295, 3935, 5272, 6296, 6590, 7870, 13180, 15740, 26360, 31480, 46789, 55877, 93578, 111754, 187156, 223508, 233945, 279385, 374312, 447016, 467890, 518633, 558770, 935780, 1037266, 1117540, 1871560, 2074532, 2235080, 2593165, 4149064, 5186330, 10372660, 20745320, 36822943, 73645886, 147291772, 184114715, 294583544, 368229430, 736458860, 1472917720]

約数ペア:

[(1, 1472917720), (2, 736458860), (4, 368229430), (5, 294583544), (8, 184114715), (10, 147291772), (20, 73645886), (40, 36822943), (71, 20745320), (142, 10372660), (284, 5186330), (355, 4149064), (568, 2593165), (659, 2235080), (710, 2074532), (787, 1871560), (1318, 1117540), (1420, 1037266), (1574, 935780), (2636, 558770), (2840, 518633), (3148, 467890), (3295, 447016), (3935, 374312), (5272, 279385), (6296, 233945), (6590, 223508), (7870, 187156), (13180, 111754), (15740, 93578), (26360, 55877), (31480, 46789)]