632783240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{1231}}^1$

素因数の和:1494

約数の個数: 64

約数和(自身を含む): 1452971520

約数和(自身を除く): 820188280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 181, 284, 355, 362, 568, 710, 724, 905, 1231, 1420, 1448, 1810, 2462, 2840, 3620, 4924, 6155, 7240, 9848, 12310, 12851, 24620, 25702, 49240, 51404, 64255, 87401, 102808, 128510, 174802, 222811, 257020, 349604, 437005, 445622, 514040, 699208, 874010, 891244, 1114055, 1748020, 1782488, 2228110, 3496040, 4456220, 8912440, 15819581, 31639162, 63278324, 79097905, 126556648, 158195810, 316391620, 632783240]

約数ペア:

[(1, 632783240), (2, 316391620), (4, 158195810), (5, 126556648), (8, 79097905), (10, 63278324), (20, 31639162), (40, 15819581), (71, 8912440), (142, 4456220), (181, 3496040), (284, 2228110), (355, 1782488), (362, 1748020), (568, 1114055), (710, 891244), (724, 874010), (905, 699208), (1231, 514040), (1420, 445622), (1448, 437005), (1810, 349604), (2462, 257020), (2840, 222811), (3620, 174802), (4924, 128510), (6155, 102808), (7240, 87401), (9848, 64255), (12310, 51404), (12851, 49240), (24620, 25702)]