28526940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:268

約数の個数: 144

約数和(自身を含む): 95030208

約数和(自身を除く): 66503268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 73, 78, 90, 117, 130, 146, 156, 167, 180, 195, 219, 234, 260, 292, 334, 365, 390, 438, 468, 501, 585, 657, 668, 730, 780, 835, 876, 949, 1002, 1095, 1170, 1314, 1460, 1503, 1670, 1898, 2004, 2171, 2190, 2340, 2505, 2628, 2847, 3006, 3285, 3340, 3796, 4342, 4380, 4745, 5010, 5694, 6012, 6513, 6570, 7515, 8541, 8684, 9490, 10020, 10855, 11388, 12191, 13026, 13140, 14235, 15030, 17082, 18980, 19539, 21710, 24382, 26052, 28470, 30060, 32565, 34164, 36573, 39078, 42705, 43420, 48764, 56940, 60955, 65130, 73146, 78156, 85410, 97695, 109719, 121910, 130260, 146292, 158483, 170820, 182865, 195390, 219438, 243820, 316966, 365730, 390780, 438876, 475449, 548595, 633932, 731460, 792415, 950898, 1097190, 1426347, 1584830, 1901796, 2194380, 2377245, 2852694, 3169660, 4754490, 5705388, 7131735, 9508980, 14263470, 28526940]

約数ペア:

[(1, 28526940), (2, 14263470), (3, 9508980), (4, 7131735), (5, 5705388), (6, 4754490), (9, 3169660), (10, 2852694), (12, 2377245), (13, 2194380), (15, 1901796), (18, 1584830), (20, 1426347), (26, 1097190), (30, 950898), (36, 792415), (39, 731460), (45, 633932), (52, 548595), (60, 475449), (65, 438876), (73, 390780), (78, 365730), (90, 316966), (117, 243820), (130, 219438), (146, 195390), (156, 182865), (167, 170820), (180, 158483), (195, 146292), (219, 130260), (234, 121910), (260, 109719), (292, 97695), (334, 85410), (365, 78156), (390, 73146), (438, 65130), (468, 60955), (501, 56940), (585, 48764), (657, 43420), (668, 42705), (730, 39078), (780, 36573), (835, 34164), (876, 32565), (949, 30060), (1002, 28470), (1095, 26052), (1170, 24382), (1314, 21710), (1460, 19539), (1503, 18980), (1670, 17082), (1898, 15030), (2004, 14235), (2171, 13140), (2190, 13026), (2340, 12191), (2505, 11388), (2628, 10855), (2847, 10020), (3006, 9490), (3285, 8684), (3340, 8541), (3796, 7515), (4342, 6570), (4380, 6513), (4745, 6012), (5010, 5694)]