27970740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:382

約数の個数: 144

約数和(自身を含む): 98542080

約数和(自身を除く): 70571340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 281, 315, 316, 395, 420, 474, 553, 562, 630, 711, 790, 843, 948, 1106, 1124, 1185, 1260, 1405, 1422, 1580, 1659, 1686, 1967, 2212, 2370, 2529, 2765, 2810, 2844, 3318, 3372, 3555, 3934, 4215, 4740, 4977, 5058, 5530, 5620, 5901, 6636, 7110, 7868, 8295, 8430, 9835, 9954, 10116, 11060, 11802, 12645, 14220, 16590, 16860, 17703, 19670, 19908, 22199, 23604, 24885, 25290, 29505, 33180, 35406, 39340, 44398, 49770, 50580, 59010, 66597, 70812, 88515, 88796, 99540, 110995, 118020, 133194, 155393, 177030, 199791, 221990, 266388, 310786, 332985, 354060, 399582, 443980, 466179, 621572, 665970, 776965, 799164, 932358, 998955, 1331940, 1398537, 1553930, 1864716, 1997910, 2330895, 2797074, 3107860, 3995820, 4661790, 5594148, 6992685, 9323580, 13985370, 27970740]

約数ペア:

[(1, 27970740), (2, 13985370), (3, 9323580), (4, 6992685), (5, 5594148), (6, 4661790), (7, 3995820), (9, 3107860), (10, 2797074), (12, 2330895), (14, 1997910), (15, 1864716), (18, 1553930), (20, 1398537), (21, 1331940), (28, 998955), (30, 932358), (35, 799164), (36, 776965), (42, 665970), (45, 621572), (60, 466179), (63, 443980), (70, 399582), (79, 354060), (84, 332985), (90, 310786), (105, 266388), (126, 221990), (140, 199791), (158, 177030), (180, 155393), (210, 133194), (237, 118020), (252, 110995), (281, 99540), (315, 88796), (316, 88515), (395, 70812), (420, 66597), (474, 59010), (553, 50580), (562, 49770), (630, 44398), (711, 39340), (790, 35406), (843, 33180), (948, 29505), (1106, 25290), (1124, 24885), (1185, 23604), (1260, 22199), (1405, 19908), (1422, 19670), (1580, 17703), (1659, 16860), (1686, 16590), (1967, 14220), (2212, 12645), (2370, 11802), (2529, 11060), (2765, 10116), (2810, 9954), (2844, 9835), (3318, 8430), (3372, 8295), (3555, 7868), (3934, 7110), (4215, 6636), (4740, 5901), (4977, 5620), (5058, 5530)]