320045990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 652810752

約数和(自身を除く): 332764762

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 71, 86, 110, 142, 215, 355, 430, 473, 710, 781, 946, 953, 1562, 1906, 2365, 3053, 3905, 4730, 4765, 6106, 7810, 9530, 10483, 15265, 20966, 30530, 33583, 40979, 52415, 67166, 67663, 81958, 104830, 135326, 167915, 204895, 335830, 338315, 409790, 450769, 676630, 744293, 901538, 1488586, 2253845, 2909509, 3721465, 4507690, 5819018, 7442930, 14547545, 29095090, 32004599, 64009198, 160022995, 320045990]

約数ペア:

[(1, 320045990), (2, 160022995), (5, 64009198), (10, 32004599), (11, 29095090), (22, 14547545), (43, 7442930), (55, 5819018), (71, 4507690), (86, 3721465), (110, 2909509), (142, 2253845), (215, 1488586), (355, 901538), (430, 744293), (473, 676630), (710, 450769), (781, 409790), (946, 338315), (953, 335830), (1562, 204895), (1906, 167915), (2365, 135326), (3053, 104830), (3905, 81958), (4730, 67663), (4765, 67166), (6106, 52415), (7810, 40979), (9530, 33583), (10483, 30530), (15265, 20966)]