1388710980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{3617}}^1$

素因数の和:3720

約数の個数: 144

約数和(自身を含む): 4424958720

約数和(自身を除く): 3036247740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 79, 81, 90, 108, 135, 158, 162, 180, 237, 243, 270, 316, 324, 395, 405, 474, 486, 540, 711, 790, 810, 948, 972, 1185, 1215, 1422, 1580, 1620, 2133, 2370, 2430, 2844, 3555, 3617, 4266, 4740, 4860, 6399, 7110, 7234, 8532, 10665, 10851, 12798, 14220, 14468, 18085, 19197, 21330, 21702, 25596, 31995, 32553, 36170, 38394, 42660, 43404, 54255, 63990, 65106, 72340, 76788, 95985, 97659, 108510, 127980, 130212, 162765, 191970, 195318, 217020, 285743, 292977, 325530, 383940, 390636, 488295, 571486, 585954, 651060, 857229, 878931, 976590, 1142972, 1171908, 1428715, 1464885, 1714458, 1757862, 1953180, 2571687, 2857430, 2929770, 3428916, 3515724, 4286145, 4394655, 5143374, 5714860, 5859540, 7715061, 8572290, 8789310, 10286748, 12858435, 15430122, 17144580, 17578620, 23145183, 25716870, 30860244, 38575305, 46290366, 51433740, 69435549, 77150610, 92580732, 115725915, 138871098, 154301220, 231451830, 277742196, 347177745, 462903660, 694355490, 1388710980]

約数ペア:

[(1, 1388710980), (2, 694355490), (3, 462903660), (4, 347177745), (5, 277742196), (6, 231451830), (9, 154301220), (10, 138871098), (12, 115725915), (15, 92580732), (18, 77150610), (20, 69435549), (27, 51433740), (30, 46290366), (36, 38575305), (45, 30860244), (54, 25716870), (60, 23145183), (79, 17578620), (81, 17144580), (90, 15430122), (108, 12858435), (135, 10286748), (158, 8789310), (162, 8572290), (180, 7715061), (237, 5859540), (243, 5714860), (270, 5143374), (316, 4394655), (324, 4286145), (395, 3515724), (405, 3428916), (474, 2929770), (486, 2857430), (540, 2571687), (711, 1953180), (790, 1757862), (810, 1714458), (948, 1464885), (972, 1428715), (1185, 1171908), (1215, 1142972), (1422, 976590), (1580, 878931), (1620, 857229), (2133, 651060), (2370, 585954), (2430, 571486), (2844, 488295), (3555, 390636), (3617, 383940), (4266, 325530), (4740, 292977), (4860, 285743), (6399, 217020), (7110, 195318), (7234, 191970), (8532, 162765), (10665, 130212), (10851, 127980), (12798, 108510), (14220, 97659), (14468, 95985), (18085, 76788), (19197, 72340), (21330, 65106), (21702, 63990), (25596, 54255), (31995, 43404), (32553, 42660), (36170, 38394)]