64842900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{653}}^1$

素因数の和:1001

約数の個数: 72

約数和(自身を含む): 188467104

約数和(自身を除く): 123624204

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 331, 653, 662, 993, 1306, 1324, 1655, 1959, 1986, 2612, 3265, 3310, 3918, 3972, 4965, 6530, 6620, 7836, 8275, 9795, 9930, 13060, 16325, 16550, 19590, 19860, 24825, 32650, 33100, 39180, 48975, 49650, 65300, 97950, 99300, 195900, 216143, 432286, 648429, 864572, 1080715, 1296858, 2161430, 2593716, 3242145, 4322860, 5403575, 6484290, 10807150, 12968580, 16210725, 21614300, 32421450, 64842900]

約数ペア:

[(1, 64842900), (2, 32421450), (3, 21614300), (4, 16210725), (5, 12968580), (6, 10807150), (10, 6484290), (12, 5403575), (15, 4322860), (20, 3242145), (25, 2593716), (30, 2161430), (50, 1296858), (60, 1080715), (75, 864572), (100, 648429), (150, 432286), (300, 216143), (331, 195900), (653, 99300), (662, 97950), (993, 65300), (1306, 49650), (1324, 48975), (1655, 39180), (1959, 33100), (1986, 32650), (2612, 24825), (3265, 19860), (3310, 19590), (3918, 16550), (3972, 16325), (4965, 13060), (6530, 9930), (6620, 9795), (7836, 8275)]