151997720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{28571}}^1$

素因数の和:28608

約数の個数: 64

約数和(自身を含む): 411436800

約数和(自身を除く): 259439080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 28571, 57142, 114284, 142855, 199997, 228568, 285710, 399994, 542849, 571420, 799988, 999985, 1085698, 1142840, 1599976, 1999970, 2171396, 2714245, 3799943, 3999940, 4342792, 5428490, 7599886, 7999880, 10856980, 15199772, 18999715, 21713960, 30399544, 37999430, 75998860, 151997720]

約数ペア:

[(1, 151997720), (2, 75998860), (4, 37999430), (5, 30399544), (7, 21713960), (8, 18999715), (10, 15199772), (14, 10856980), (19, 7999880), (20, 7599886), (28, 5428490), (35, 4342792), (38, 3999940), (40, 3799943), (56, 2714245), (70, 2171396), (76, 1999970), (95, 1599976), (133, 1142840), (140, 1085698), (152, 999985), (190, 799988), (266, 571420), (280, 542849), (380, 399994), (532, 285710), (665, 228568), (760, 199997), (1064, 142855), (1330, 114284), (2660, 57142), (5320, 28571)]