72404920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11243}}^1$

素因数の和:11284

約数の個数: 64

約数和(自身を含む): 194296320

約数和(自身を除く): 121891400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 3220, 6440, 11243, 22486, 44972, 56215, 78701, 89944, 112430, 157402, 224860, 258589, 314804, 393505, 449720, 517178, 629608, 787010, 1034356, 1292945, 1574020, 1810123, 2068712, 2585890, 3148040, 3620246, 5171780, 7240492, 9050615, 10343560, 14480984, 18101230, 36202460, 72404920]

約数ペア:

[(1, 72404920), (2, 36202460), (4, 18101230), (5, 14480984), (7, 10343560), (8, 9050615), (10, 7240492), (14, 5171780), (20, 3620246), (23, 3148040), (28, 2585890), (35, 2068712), (40, 1810123), (46, 1574020), (56, 1292945), (70, 1034356), (92, 787010), (115, 629608), (140, 517178), (161, 449720), (184, 393505), (230, 314804), (280, 258589), (322, 224860), (460, 157402), (644, 112430), (805, 89944), (920, 78701), (1288, 56215), (1610, 44972), (3220, 22486), (6440, 11243)]