72774520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19993}}^1$

素因数の和:20024

約数の個数: 64

約数和(自身を含む): 201539520

約数和(自身を除く): 128765000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 19993, 39986, 79972, 99965, 139951, 159944, 199930, 259909, 279902, 399860, 519818, 559804, 699755, 799720, 1039636, 1119608, 1299545, 1399510, 1819363, 2079272, 2599090, 2799020, 3638726, 5198180, 5598040, 7277452, 9096815, 10396360, 14554904, 18193630, 36387260, 72774520]

約数ペア:

[(1, 72774520), (2, 36387260), (4, 18193630), (5, 14554904), (7, 10396360), (8, 9096815), (10, 7277452), (13, 5598040), (14, 5198180), (20, 3638726), (26, 2799020), (28, 2599090), (35, 2079272), (40, 1819363), (52, 1399510), (56, 1299545), (65, 1119608), (70, 1039636), (91, 799720), (104, 699755), (130, 559804), (140, 519818), (182, 399860), (260, 279902), (280, 259909), (364, 199930), (455, 159944), (520, 139951), (728, 99965), (910, 79972), (1820, 39986), (3640, 19993)]