720131768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{59971}}^1$

素因数の和:60075

約数の個数: 32

約数和(自身を含む): 1439328000

約数和(自身を除く): 719196232

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 3002, 6004, 12008, 59971, 119942, 239884, 479768, 1139449, 2278898, 4557796, 4737709, 9115592, 9475418, 18950836, 37901672, 90016471, 180032942, 360065884, 720131768]

約数ペア:

[(1, 720131768), (2, 360065884), (4, 180032942), (8, 90016471), (19, 37901672), (38, 18950836), (76, 9475418), (79, 9115592), (152, 4737709), (158, 4557796), (316, 2278898), (632, 1139449), (1501, 479768), (3002, 239884), (6004, 119942), (12008, 59971)]