315099160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{1451}}^1$

素因数の和:1612

約数の個数: 64

約数和(自身を含む): 729194400

約数和(自身を除く): 414095240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 89, 122, 178, 244, 305, 356, 445, 488, 610, 712, 890, 1220, 1451, 1780, 2440, 2902, 3560, 5429, 5804, 7255, 10858, 11608, 14510, 21716, 27145, 29020, 43432, 54290, 58040, 88511, 108580, 129139, 177022, 217160, 258278, 354044, 442555, 516556, 645695, 708088, 885110, 1033112, 1291390, 1770220, 2582780, 3540440, 5165560, 7877479, 15754958, 31509916, 39387395, 63019832, 78774790, 157549580, 315099160]

約数ペア:

[(1, 315099160), (2, 157549580), (4, 78774790), (5, 63019832), (8, 39387395), (10, 31509916), (20, 15754958), (40, 7877479), (61, 5165560), (89, 3540440), (122, 2582780), (178, 1770220), (244, 1291390), (305, 1033112), (356, 885110), (445, 708088), (488, 645695), (610, 516556), (712, 442555), (890, 354044), (1220, 258278), (1451, 217160), (1780, 177022), (2440, 129139), (2902, 108580), (3560, 88511), (5429, 58040), (5804, 54290), (7255, 43432), (10858, 29020), (11608, 27145), (14510, 21716)]