87491880

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:261

約数の個数: 256

約数和(自身を含む): 340070400

約数和(自身を除く): 252578520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 71, 72, 84, 90, 105, 108, 120, 126, 135, 140, 142, 163, 168, 180, 189, 210, 213, 216, 252, 270, 280, 284, 315, 326, 355, 360, 378, 420, 426, 489, 497, 504, 540, 568, 630, 639, 652, 710, 756, 815, 840, 852, 945, 978, 994, 1065, 1080, 1141, 1260, 1278, 1304, 1420, 1467, 1491, 1512, 1630, 1704, 1890, 1917, 1956, 1988, 2130, 2282, 2445, 2485, 2520, 2556, 2840, 2934, 2982, 3195, 3260, 3423, 3780, 3834, 3912, 3976, 4260, 4401, 4473, 4564, 4890, 4970, 5112, 5705, 5868, 5964, 6390, 6520, 6846, 7335, 7455, 7560, 7668, 8520, 8802, 8946, 9128, 9585, 9780, 9940, 10269, 11410, 11573, 11736, 11928, 12780, 13419, 13692, 14670, 14910, 15336, 17115, 17604, 17892, 19170, 19560, 19880, 20538, 22005, 22365, 22820, 23146, 25560, 26838, 27384, 29340, 29820, 30807, 34230, 34719, 35208, 35784, 38340, 41076, 44010, 44730, 45640, 46292, 51345, 53676, 57865, 58680, 59640, 61614, 67095, 68460, 69438, 76680, 81011, 82152, 88020, 89460, 92584, 102690, 104157, 107352, 115730, 123228, 134190, 136920, 138876, 154035, 162022, 173595, 176040, 178920, 205380, 208314, 231460, 243033, 246456, 268380, 277752, 308070, 312471, 324044, 347190, 405055, 410760, 416628, 462920, 486066, 520785, 536760, 616140, 624942, 648088, 694380, 729099, 810110, 833256, 972132, 1041570, 1215165, 1232280, 1249884, 1388760, 1458198, 1562355, 1620220, 1944264, 2083140, 2187297, 2430330, 2499768, 2916396, 3124710, 3240440, 3645495, 4166280, 4374594, 4860660, 5832792, 6249420, 7290990, 8749188, 9721320, 10936485, 12498840, 14581980, 17498376, 21872970, 29163960, 43745940, 87491880]

約数ペア:

[(1, 87491880), (2, 43745940), (3, 29163960), (4, 21872970), (5, 17498376), (6, 14581980), (7, 12498840), (8, 10936485), (9, 9721320), (10, 8749188), (12, 7290990), (14, 6249420), (15, 5832792), (18, 4860660), (20, 4374594), (21, 4166280), (24, 3645495), (27, 3240440), (28, 3124710), (30, 2916396), (35, 2499768), (36, 2430330), (40, 2187297), (42, 2083140), (45, 1944264), (54, 1620220), (56, 1562355), (60, 1458198), (63, 1388760), (70, 1249884), (71, 1232280), (72, 1215165), (84, 1041570), (90, 972132), (105, 833256), (108, 810110), (120, 729099), (126, 694380), (135, 648088), (140, 624942), (142, 616140), (163, 536760), (168, 520785), (180, 486066), (189, 462920), (210, 416628), (213, 410760), (216, 405055), (252, 347190), (270, 324044), (280, 312471), (284, 308070), (315, 277752), (326, 268380), (355, 246456), (360, 243033), (378, 231460), (420, 208314), (426, 205380), (489, 178920), (497, 176040), (504, 173595), (540, 162022), (568, 154035), (630, 138876), (639, 136920), (652, 134190), (710, 123228), (756, 115730), (815, 107352), (840, 104157), (852, 102690), (945, 92584), (978, 89460), (994, 88020), (1065, 82152), (1080, 81011), (1141, 76680), (1260, 69438), (1278, 68460), (1304, 67095), (1420, 61614), (1467, 59640), (1491, 58680), (1512, 57865), (1630, 53676), (1704, 51345), (1890, 46292), (1917, 45640), (1956, 44730), (1988, 44010), (2130, 41076), (2282, 38340), (2445, 35784), (2485, 35208), (2520, 34719), (2556, 34230), (2840, 30807), (2934, 29820), (2982, 29340), (3195, 27384), (3260, 26838), (3423, 25560), (3780, 23146), (3834, 22820), (3912, 22365), (3976, 22005), (4260, 20538), (4401, 19880), (4473, 19560), (4564, 19170), (4890, 17892), (4970, 17604), (5112, 17115), (5705, 15336), (5868, 14910), (5964, 14670), (6390, 13692), (6520, 13419), (6846, 12780), (7335, 11928), (7455, 11736), (7560, 11573), (7668, 11410), (8520, 10269), (8802, 9940), (8946, 9780), (9128, 9585)]