320186020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{809}}^1$

素因数の和:1093

約数の個数: 96

約数和(自身を含む): 842607360

約数和(自身を除く): 522421340

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 257, 308, 385, 514, 770, 809, 1028, 1285, 1540, 1618, 1799, 2570, 2827, 3236, 3598, 4045, 5140, 5654, 5663, 7196, 8090, 8899, 8995, 11308, 11326, 14135, 16180, 17798, 17990, 19789, 22652, 28270, 28315, 35596, 35980, 39578, 44495, 56540, 56630, 62293, 79156, 88990, 98945, 113260, 124586, 177980, 197890, 207913, 249172, 311465, 395780, 415826, 622930, 831652, 1039565, 1245860, 1455391, 2079130, 2287043, 2910782, 4158260, 4574086, 5821564, 7276955, 9148172, 11435215, 14553910, 16009301, 22870430, 29107820, 32018602, 45740860, 64037204, 80046505, 160093010, 320186020]

約数ペア:

[(1, 320186020), (2, 160093010), (4, 80046505), (5, 64037204), (7, 45740860), (10, 32018602), (11, 29107820), (14, 22870430), (20, 16009301), (22, 14553910), (28, 11435215), (35, 9148172), (44, 7276955), (55, 5821564), (70, 4574086), (77, 4158260), (110, 2910782), (140, 2287043), (154, 2079130), (220, 1455391), (257, 1245860), (308, 1039565), (385, 831652), (514, 622930), (770, 415826), (809, 395780), (1028, 311465), (1285, 249172), (1540, 207913), (1618, 197890), (1799, 177980), (2570, 124586), (2827, 113260), (3236, 98945), (3598, 88990), (4045, 79156), (5140, 62293), (5654, 56630), (5663, 56540), (7196, 44495), (8090, 39578), (8899, 35980), (8995, 35596), (11308, 28315), (11326, 28270), (14135, 22652), (16180, 19789), (17798, 17990)]