30867980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{251}}^1$

素因数の和:327

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 47368948

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 43, 44, 52, 55, 65, 86, 110, 130, 143, 172, 215, 220, 251, 260, 286, 430, 473, 502, 559, 572, 715, 860, 946, 1004, 1118, 1255, 1430, 1892, 2236, 2365, 2510, 2761, 2795, 2860, 3263, 4730, 5020, 5522, 5590, 6149, 6526, 9460, 10793, 11044, 11180, 12298, 13052, 13805, 16315, 21586, 24596, 27610, 30745, 32630, 35893, 43172, 53965, 55220, 61490, 65260, 71786, 107930, 118723, 122980, 140309, 143572, 179465, 215860, 237446, 280618, 358930, 474892, 561236, 593615, 701545, 717860, 1187230, 1403090, 1543399, 2374460, 2806180, 3086798, 6173596, 7716995, 15433990, 30867980]

約数ペア:

[(1, 30867980), (2, 15433990), (4, 7716995), (5, 6173596), (10, 3086798), (11, 2806180), (13, 2374460), (20, 1543399), (22, 1403090), (26, 1187230), (43, 717860), (44, 701545), (52, 593615), (55, 561236), (65, 474892), (86, 358930), (110, 280618), (130, 237446), (143, 215860), (172, 179465), (215, 143572), (220, 140309), (251, 122980), (260, 118723), (286, 107930), (430, 71786), (473, 65260), (502, 61490), (559, 55220), (572, 53965), (715, 43172), (860, 35893), (946, 32630), (1004, 30745), (1118, 27610), (1255, 24596), (1430, 21586), (1892, 16315), (2236, 13805), (2365, 13052), (2510, 12298), (2761, 11180), (2795, 11044), (2860, 10793), (3263, 9460), (4730, 6526), (5020, 6149), (5522, 5590)]