16621220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:321

約数の個数: 96

約数和(自身を含む): 44706816

約数和(自身を除く): 28085596

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 55, 70, 77, 86, 110, 140, 154, 172, 215, 220, 251, 301, 308, 385, 430, 473, 502, 602, 770, 860, 946, 1004, 1204, 1255, 1505, 1540, 1757, 1892, 2365, 2510, 2761, 3010, 3311, 3514, 4730, 5020, 5522, 6020, 6622, 7028, 8785, 9460, 10793, 11044, 13244, 13805, 16555, 17570, 19327, 21586, 27610, 33110, 35140, 38654, 43172, 53965, 55220, 66220, 75551, 77308, 96635, 107930, 118723, 151102, 193270, 215860, 237446, 302204, 377755, 386540, 474892, 593615, 755510, 831061, 1187230, 1511020, 1662122, 2374460, 3324244, 4155305, 8310610, 16621220]

約数ペア:

[(1, 16621220), (2, 8310610), (4, 4155305), (5, 3324244), (7, 2374460), (10, 1662122), (11, 1511020), (14, 1187230), (20, 831061), (22, 755510), (28, 593615), (35, 474892), (43, 386540), (44, 377755), (55, 302204), (70, 237446), (77, 215860), (86, 193270), (110, 151102), (140, 118723), (154, 107930), (172, 96635), (215, 77308), (220, 75551), (251, 66220), (301, 55220), (308, 53965), (385, 43172), (430, 38654), (473, 35140), (502, 33110), (602, 27610), (770, 21586), (860, 19327), (946, 17570), (1004, 16555), (1204, 13805), (1255, 13244), (1505, 11044), (1540, 10793), (1757, 9460), (1892, 8785), (2365, 7028), (2510, 6622), (2761, 6020), (3010, 5522), (3311, 5020), (3514, 4730)]