31247100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 144

約数和(自身を含む): 102493440

約数和(自身を除く): 71246340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 71, 75, 90, 100, 108, 135, 142, 150, 163, 180, 213, 225, 270, 284, 300, 326, 355, 426, 450, 489, 540, 639, 652, 675, 710, 815, 852, 900, 978, 1065, 1278, 1350, 1420, 1467, 1630, 1775, 1917, 1956, 2130, 2445, 2556, 2700, 2934, 3195, 3260, 3550, 3834, 4075, 4260, 4401, 4890, 5325, 5868, 6390, 7100, 7335, 7668, 8150, 8802, 9585, 9780, 10650, 11573, 12225, 12780, 14670, 15975, 16300, 17604, 19170, 21300, 22005, 23146, 24450, 29340, 31950, 34719, 36675, 38340, 44010, 46292, 47925, 48900, 57865, 63900, 69438, 73350, 88020, 95850, 104157, 110025, 115730, 138876, 146700, 173595, 191700, 208314, 220050, 231460, 289325, 312471, 347190, 416628, 440100, 520785, 578650, 624942, 694380, 867975, 1041570, 1157300, 1249884, 1562355, 1735950, 2083140, 2603925, 3124710, 3471900, 5207850, 6249420, 7811775, 10415700, 15623550, 31247100]

約数ペア:

[(1, 31247100), (2, 15623550), (3, 10415700), (4, 7811775), (5, 6249420), (6, 5207850), (9, 3471900), (10, 3124710), (12, 2603925), (15, 2083140), (18, 1735950), (20, 1562355), (25, 1249884), (27, 1157300), (30, 1041570), (36, 867975), (45, 694380), (50, 624942), (54, 578650), (60, 520785), (71, 440100), (75, 416628), (90, 347190), (100, 312471), (108, 289325), (135, 231460), (142, 220050), (150, 208314), (163, 191700), (180, 173595), (213, 146700), (225, 138876), (270, 115730), (284, 110025), (300, 104157), (326, 95850), (355, 88020), (426, 73350), (450, 69438), (489, 63900), (540, 57865), (639, 48900), (652, 47925), (675, 46292), (710, 44010), (815, 38340), (852, 36675), (900, 34719), (978, 31950), (1065, 29340), (1278, 24450), (1350, 23146), (1420, 22005), (1467, 21300), (1630, 19170), (1775, 17604), (1917, 16300), (1956, 15975), (2130, 14670), (2445, 12780), (2556, 12225), (2700, 11573), (2934, 10650), (3195, 9780), (3260, 9585), (3550, 8802), (3834, 8150), (4075, 7668), (4260, 7335), (4401, 7100), (4890, 6390), (5325, 5868)]