127980450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{167}}^1$

素因数の和:329

約数の個数: 144

約数和(自身を含む): 375350976

約数和(自身を除く): 247370526

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 131, 150, 167, 195, 225, 234, 262, 325, 334, 390, 393, 450, 501, 585, 650, 655, 786, 835, 975, 1002, 1170, 1179, 1310, 1503, 1670, 1703, 1950, 1965, 2171, 2358, 2505, 2925, 3006, 3275, 3406, 3930, 4175, 4342, 5010, 5109, 5850, 5895, 6513, 6550, 7515, 8350, 8515, 9825, 10218, 10855, 11790, 12525, 13026, 15030, 15327, 17030, 19539, 19650, 21710, 21877, 25050, 25545, 29475, 30654, 32565, 37575, 39078, 42575, 43754, 51090, 54275, 58950, 65130, 65631, 75150, 76635, 85150, 97695, 108550, 109385, 127725, 131262, 153270, 162825, 195390, 196893, 218770, 255450, 284401, 325650, 328155, 383175, 393786, 488475, 546925, 568802, 656310, 766350, 853203, 976950, 984465, 1093850, 1422005, 1640775, 1706406, 1968930, 2559609, 2844010, 3281550, 4266015, 4922325, 5119218, 7110025, 8532030, 9844650, 12798045, 14220050, 21330075, 25596090, 42660150, 63990225, 127980450]

約数ペア:

[(1, 127980450), (2, 63990225), (3, 42660150), (5, 25596090), (6, 21330075), (9, 14220050), (10, 12798045), (13, 9844650), (15, 8532030), (18, 7110025), (25, 5119218), (26, 4922325), (30, 4266015), (39, 3281550), (45, 2844010), (50, 2559609), (65, 1968930), (75, 1706406), (78, 1640775), (90, 1422005), (117, 1093850), (130, 984465), (131, 976950), (150, 853203), (167, 766350), (195, 656310), (225, 568802), (234, 546925), (262, 488475), (325, 393786), (334, 383175), (390, 328155), (393, 325650), (450, 284401), (501, 255450), (585, 218770), (650, 196893), (655, 195390), (786, 162825), (835, 153270), (975, 131262), (1002, 127725), (1170, 109385), (1179, 108550), (1310, 97695), (1503, 85150), (1670, 76635), (1703, 75150), (1950, 65631), (1965, 65130), (2171, 58950), (2358, 54275), (2505, 51090), (2925, 43754), (3006, 42575), (3275, 39078), (3406, 37575), (3930, 32565), (4175, 30654), (4342, 29475), (5010, 25545), (5109, 25050), (5850, 21877), (5895, 21710), (6513, 19650), (6550, 19539), (7515, 17030), (8350, 15327), (8515, 15030), (9825, 13026), (10218, 12525), (10855, 11790)]