78978060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3299}}^1$

素因数の和:3340

約数の個数: 144

約数和(自身を含む): 288288000

約数和(自身を除く): 209309940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 57, 60, 63, 70, 76, 84, 90, 95, 105, 114, 126, 133, 140, 171, 180, 190, 210, 228, 252, 266, 285, 315, 342, 380, 399, 420, 532, 570, 630, 665, 684, 798, 855, 1140, 1197, 1260, 1330, 1596, 1710, 1995, 2394, 2660, 3299, 3420, 3990, 4788, 5985, 6598, 7980, 9897, 11970, 13196, 16495, 19794, 23093, 23940, 29691, 32990, 39588, 46186, 49485, 59382, 62681, 65980, 69279, 92372, 98970, 115465, 118764, 125362, 138558, 148455, 188043, 197940, 207837, 230930, 250724, 277116, 296910, 313405, 346395, 376086, 415674, 438767, 461860, 564129, 593820, 626810, 692790, 752172, 831348, 877534, 940215, 1039185, 1128258, 1253620, 1316301, 1385580, 1755068, 1880430, 2078370, 2193835, 2256516, 2632602, 2820645, 3760860, 3948903, 4156740, 4387670, 5265204, 5641290, 6581505, 7897806, 8775340, 11282580, 13163010, 15795612, 19744515, 26326020, 39489030, 78978060]

約数ペア:

[(1, 78978060), (2, 39489030), (3, 26326020), (4, 19744515), (5, 15795612), (6, 13163010), (7, 11282580), (9, 8775340), (10, 7897806), (12, 6581505), (14, 5641290), (15, 5265204), (18, 4387670), (19, 4156740), (20, 3948903), (21, 3760860), (28, 2820645), (30, 2632602), (35, 2256516), (36, 2193835), (38, 2078370), (42, 1880430), (45, 1755068), (57, 1385580), (60, 1316301), (63, 1253620), (70, 1128258), (76, 1039185), (84, 940215), (90, 877534), (95, 831348), (105, 752172), (114, 692790), (126, 626810), (133, 593820), (140, 564129), (171, 461860), (180, 438767), (190, 415674), (210, 376086), (228, 346395), (252, 313405), (266, 296910), (285, 277116), (315, 250724), (342, 230930), (380, 207837), (399, 197940), (420, 188043), (532, 148455), (570, 138558), (630, 125362), (665, 118764), (684, 115465), (798, 98970), (855, 92372), (1140, 69279), (1197, 65980), (1260, 62681), (1330, 59382), (1596, 49485), (1710, 46186), (1995, 39588), (2394, 32990), (2660, 29691), (3299, 23940), (3420, 23093), (3990, 19794), (4788, 16495), (5985, 13196), (6598, 11970), (7980, 9897)]