71151200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 189987840

約数和(自身を除く): 118836640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 151, 152, 155, 160, 190, 200, 248, 302, 304, 310, 380, 400, 475, 496, 589, 604, 608, 620, 755, 760, 775, 800, 950, 992, 1178, 1208, 1240, 1510, 1520, 1550, 1900, 2356, 2416, 2480, 2869, 2945, 3020, 3040, 3100, 3775, 3800, 4681, 4712, 4832, 4960, 5738, 5890, 6040, 6200, 7550, 7600, 9362, 9424, 11476, 11780, 12080, 12400, 14345, 14725, 15100, 15200, 18724, 18848, 22952, 23405, 23560, 24160, 24800, 28690, 29450, 30200, 37448, 45904, 46810, 47120, 57380, 58900, 60400, 71725, 74896, 88939, 91808, 93620, 94240, 114760, 117025, 117800, 120800, 143450, 149792, 177878, 187240, 229520, 234050, 235600, 286900, 355756, 374480, 444695, 459040, 468100, 471200, 573800, 711512, 748960, 889390, 936200, 1147600, 1423024, 1778780, 1872400, 2223475, 2295200, 2846048, 3557560, 3744800, 4446950, 7115120, 8893900, 14230240, 17787800, 35575600, 71151200]

約数ペア:

[(1, 71151200), (2, 35575600), (4, 17787800), (5, 14230240), (8, 8893900), (10, 7115120), (16, 4446950), (19, 3744800), (20, 3557560), (25, 2846048), (31, 2295200), (32, 2223475), (38, 1872400), (40, 1778780), (50, 1423024), (62, 1147600), (76, 936200), (80, 889390), (95, 748960), (100, 711512), (124, 573800), (151, 471200), (152, 468100), (155, 459040), (160, 444695), (190, 374480), (200, 355756), (248, 286900), (302, 235600), (304, 234050), (310, 229520), (380, 187240), (400, 177878), (475, 149792), (496, 143450), (589, 120800), (604, 117800), (608, 117025), (620, 114760), (755, 94240), (760, 93620), (775, 91808), (800, 88939), (950, 74896), (992, 71725), (1178, 60400), (1208, 58900), (1240, 57380), (1510, 47120), (1520, 46810), (1550, 45904), (1900, 37448), (2356, 30200), (2416, 29450), (2480, 28690), (2869, 24800), (2945, 24160), (3020, 23560), (3040, 23405), (3100, 22952), (3775, 18848), (3800, 18724), (4681, 15200), (4712, 15100), (4832, 14725), (4960, 14345), (5738, 12400), (5890, 12080), (6040, 11780), (6200, 11476), (7550, 9424), (7600, 9362)]