72020100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{431}}^1\times {\mathrm{557}}^1$

素因数の和:1005

約数の個数: 72

約数和(自身を含む): 209236608

約数和(自身を除く): 137216508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 431, 557, 862, 1114, 1293, 1671, 1724, 2155, 2228, 2586, 2785, 3342, 4310, 5172, 5570, 6465, 6684, 8355, 8620, 10775, 11140, 12930, 13925, 16710, 21550, 25860, 27850, 32325, 33420, 41775, 43100, 55700, 64650, 83550, 129300, 167100, 240067, 480134, 720201, 960268, 1200335, 1440402, 2400670, 2880804, 3601005, 4801340, 6001675, 7202010, 12003350, 14404020, 18005025, 24006700, 36010050, 72020100]

約数ペア:

[(1, 72020100), (2, 36010050), (3, 24006700), (4, 18005025), (5, 14404020), (6, 12003350), (10, 7202010), (12, 6001675), (15, 4801340), (20, 3601005), (25, 2880804), (30, 2400670), (50, 1440402), (60, 1200335), (75, 960268), (100, 720201), (150, 480134), (300, 240067), (431, 167100), (557, 129300), (862, 83550), (1114, 64650), (1293, 55700), (1671, 43100), (1724, 41775), (2155, 33420), (2228, 32325), (2586, 27850), (2785, 25860), (3342, 21550), (4310, 16710), (5172, 13925), (5570, 12930), (6465, 11140), (6684, 10775), (8355, 8620)]