171820260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 144

約数和(自身を含む): 541981440

約数和(自身を除く): 370161180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 90, 129, 158, 172, 180, 215, 237, 258, 281, 316, 387, 395, 430, 474, 516, 562, 645, 711, 774, 790, 843, 860, 948, 1124, 1185, 1290, 1405, 1422, 1548, 1580, 1686, 1935, 2370, 2529, 2580, 2810, 2844, 3372, 3397, 3555, 3870, 4215, 4740, 5058, 5620, 6794, 7110, 7740, 8430, 10116, 10191, 12083, 12645, 13588, 14220, 16860, 16985, 20382, 22199, 24166, 25290, 30573, 33970, 36249, 40764, 44398, 48332, 50580, 50955, 60415, 61146, 66597, 67940, 72498, 88796, 101910, 108747, 110995, 120830, 122292, 133194, 144996, 152865, 181245, 199791, 203820, 217494, 221990, 241660, 266388, 305730, 332985, 362490, 399582, 434988, 443980, 543735, 611460, 665970, 724980, 799164, 954557, 998955, 1087470, 1331940, 1909114, 1997910, 2174940, 2863671, 3818228, 3995820, 4772785, 5727342, 8591013, 9545570, 11454684, 14318355, 17182026, 19091140, 28636710, 34364052, 42955065, 57273420, 85910130, 171820260]

約数ペア:

[(1, 171820260), (2, 85910130), (3, 57273420), (4, 42955065), (5, 34364052), (6, 28636710), (9, 19091140), (10, 17182026), (12, 14318355), (15, 11454684), (18, 9545570), (20, 8591013), (30, 5727342), (36, 4772785), (43, 3995820), (45, 3818228), (60, 2863671), (79, 2174940), (86, 1997910), (90, 1909114), (129, 1331940), (158, 1087470), (172, 998955), (180, 954557), (215, 799164), (237, 724980), (258, 665970), (281, 611460), (316, 543735), (387, 443980), (395, 434988), (430, 399582), (474, 362490), (516, 332985), (562, 305730), (645, 266388), (711, 241660), (774, 221990), (790, 217494), (843, 203820), (860, 199791), (948, 181245), (1124, 152865), (1185, 144996), (1290, 133194), (1405, 122292), (1422, 120830), (1548, 110995), (1580, 108747), (1686, 101910), (1935, 88796), (2370, 72498), (2529, 67940), (2580, 66597), (2810, 61146), (2844, 60415), (3372, 50955), (3397, 50580), (3555, 48332), (3870, 44398), (4215, 40764), (4740, 36249), (5058, 33970), (5620, 30573), (6794, 25290), (7110, 24166), (7740, 22199), (8430, 20382), (10116, 16985), (10191, 16860), (12083, 14220), (12645, 13588)]