31512990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{419}}^1$

素因数の和:561

約数の個数: 64

約数和(自身を含む): 79833600

約数和(自身を除く): 48320610

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 109, 115, 138, 218, 230, 327, 345, 419, 545, 654, 690, 838, 1090, 1257, 1635, 2095, 2507, 2514, 3270, 4190, 5014, 6285, 7521, 9637, 12535, 12570, 15042, 19274, 25070, 28911, 37605, 45671, 48185, 57822, 75210, 91342, 96370, 137013, 144555, 228355, 274026, 289110, 456710, 685065, 1050433, 1370130, 2100866, 3151299, 5252165, 6302598, 10504330, 15756495, 31512990]

約数ペア:

[(1, 31512990), (2, 15756495), (3, 10504330), (5, 6302598), (6, 5252165), (10, 3151299), (15, 2100866), (23, 1370130), (30, 1050433), (46, 685065), (69, 456710), (109, 289110), (115, 274026), (138, 228355), (218, 144555), (230, 137013), (327, 96370), (345, 91342), (419, 75210), (545, 57822), (654, 48185), (690, 45671), (838, 37605), (1090, 28911), (1257, 25070), (1635, 19274), (2095, 15042), (2507, 12570), (2514, 12535), (3270, 9637), (4190, 7521), (5014, 6285)]