15156700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 36091440

約数和(自身を除く): 20934740

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 89, 100, 130, 131, 178, 260, 262, 325, 356, 445, 524, 650, 655, 890, 1157, 1300, 1310, 1703, 1780, 2225, 2314, 2620, 3275, 3406, 4450, 4628, 5785, 6550, 6812, 8515, 8900, 11570, 11659, 13100, 17030, 23140, 23318, 28925, 34060, 42575, 46636, 57850, 58295, 85150, 115700, 116590, 151567, 170300, 233180, 291475, 303134, 582950, 606268, 757835, 1165900, 1515670, 3031340, 3789175, 7578350, 15156700]

約数ペア:

[(1, 15156700), (2, 7578350), (4, 3789175), (5, 3031340), (10, 1515670), (13, 1165900), (20, 757835), (25, 606268), (26, 582950), (50, 303134), (52, 291475), (65, 233180), (89, 170300), (100, 151567), (130, 116590), (131, 115700), (178, 85150), (260, 58295), (262, 57850), (325, 46636), (356, 42575), (445, 34060), (524, 28925), (650, 23318), (655, 23140), (890, 17030), (1157, 13100), (1300, 11659), (1310, 11570), (1703, 8900), (1780, 8515), (2225, 6812), (2314, 6550), (2620, 5785), (3275, 4628), (3406, 4450)]