30591080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 75070800

約数和(自身を除く): 44479720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 661, 712, 890, 1157, 1322, 1780, 2314, 2644, 3305, 3560, 4628, 5288, 5785, 6610, 8593, 9256, 11570, 13220, 17186, 23140, 26440, 34372, 42965, 46280, 58829, 68744, 85930, 117658, 171860, 235316, 294145, 343720, 470632, 588290, 764777, 1176580, 1529554, 2353160, 3059108, 3823885, 6118216, 7647770, 15295540, 30591080]

約数ペア:

[(1, 30591080), (2, 15295540), (4, 7647770), (5, 6118216), (8, 3823885), (10, 3059108), (13, 2353160), (20, 1529554), (26, 1176580), (40, 764777), (52, 588290), (65, 470632), (89, 343720), (104, 294145), (130, 235316), (178, 171860), (260, 117658), (356, 85930), (445, 68744), (520, 58829), (661, 46280), (712, 42965), (890, 34372), (1157, 26440), (1322, 23140), (1780, 17186), (2314, 13220), (2644, 11570), (3305, 9256), (3560, 8593), (4628, 6610), (5288, 5785)]