261171300

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{401}}^1$

素因数の和:598

約数の個数: 144

約数和(自身を含む): 820697472

約数和(自身を除く): 559526172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 130, 150, 156, 167, 195, 260, 300, 325, 334, 390, 401, 501, 650, 668, 780, 802, 835, 975, 1002, 1203, 1300, 1604, 1670, 1950, 2004, 2005, 2171, 2406, 2505, 3340, 3900, 4010, 4175, 4342, 4812, 5010, 5213, 6015, 6513, 8020, 8350, 8684, 10020, 10025, 10426, 10855, 12030, 12525, 13026, 15639, 16700, 20050, 20852, 21710, 24060, 25050, 26052, 26065, 30075, 31278, 32565, 40100, 43420, 50100, 52130, 54275, 60150, 62556, 65130, 66967, 78195, 104260, 108550, 120300, 130260, 130325, 133934, 156390, 162825, 200901, 217100, 260650, 267868, 312780, 325650, 334835, 390975, 401802, 521300, 651300, 669670, 781950, 803604, 870571, 1004505, 1339340, 1563900, 1674175, 1741142, 2009010, 2611713, 3348350, 3482284, 4018020, 4352855, 5022525, 5223426, 6696700, 8705710, 10045050, 10446852, 13058565, 17411420, 20090100, 21764275, 26117130, 43528550, 52234260, 65292825, 87057100, 130585650, 261171300]

約数ペア:

[(1, 261171300), (2, 130585650), (3, 87057100), (4, 65292825), (5, 52234260), (6, 43528550), (10, 26117130), (12, 21764275), (13, 20090100), (15, 17411420), (20, 13058565), (25, 10446852), (26, 10045050), (30, 8705710), (39, 6696700), (50, 5223426), (52, 5022525), (60, 4352855), (65, 4018020), (75, 3482284), (78, 3348350), (100, 2611713), (130, 2009010), (150, 1741142), (156, 1674175), (167, 1563900), (195, 1339340), (260, 1004505), (300, 870571), (325, 803604), (334, 781950), (390, 669670), (401, 651300), (501, 521300), (650, 401802), (668, 390975), (780, 334835), (802, 325650), (835, 312780), (975, 267868), (1002, 260650), (1203, 217100), (1300, 200901), (1604, 162825), (1670, 156390), (1950, 133934), (2004, 130325), (2005, 130260), (2171, 120300), (2406, 108550), (2505, 104260), (3340, 78195), (3900, 66967), (4010, 65130), (4175, 62556), (4342, 60150), (4812, 54275), (5010, 52130), (5213, 50100), (6015, 43420), (6513, 40100), (8020, 32565), (8350, 31278), (8684, 30075), (10020, 26065), (10025, 26052), (10426, 25050), (10855, 24060), (12030, 21710), (12525, 20852), (13026, 20050), (15639, 16700)]