51360800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 144

約数和(自身を含む): 137491200

約数和(自身を除く): 86130400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 109, 124, 152, 155, 160, 190, 200, 218, 248, 304, 310, 380, 400, 436, 475, 496, 545, 589, 608, 620, 760, 775, 800, 872, 950, 992, 1090, 1178, 1240, 1520, 1550, 1744, 1900, 2071, 2180, 2356, 2480, 2725, 2945, 3040, 3100, 3379, 3488, 3800, 4142, 4360, 4712, 4960, 5450, 5890, 6200, 6758, 7600, 8284, 8720, 9424, 10355, 10900, 11780, 12400, 13516, 14725, 15200, 16568, 16895, 17440, 18848, 20710, 21800, 23560, 24800, 27032, 29450, 33136, 33790, 41420, 43600, 47120, 51775, 54064, 58900, 64201, 66272, 67580, 82840, 84475, 87200, 94240, 103550, 108128, 117800, 128402, 135160, 165680, 168950, 207100, 235600, 256804, 270320, 321005, 331360, 337900, 414200, 471200, 513608, 540640, 642010, 675800, 828400, 1027216, 1284020, 1351600, 1605025, 1656800, 2054432, 2568040, 2703200, 3210050, 5136080, 6420100, 10272160, 12840200, 25680400, 51360800]

約数ペア:

[(1, 51360800), (2, 25680400), (4, 12840200), (5, 10272160), (8, 6420100), (10, 5136080), (16, 3210050), (19, 2703200), (20, 2568040), (25, 2054432), (31, 1656800), (32, 1605025), (38, 1351600), (40, 1284020), (50, 1027216), (62, 828400), (76, 675800), (80, 642010), (95, 540640), (100, 513608), (109, 471200), (124, 414200), (152, 337900), (155, 331360), (160, 321005), (190, 270320), (200, 256804), (218, 235600), (248, 207100), (304, 168950), (310, 165680), (380, 135160), (400, 128402), (436, 117800), (475, 108128), (496, 103550), (545, 94240), (589, 87200), (608, 84475), (620, 82840), (760, 67580), (775, 66272), (800, 64201), (872, 58900), (950, 54064), (992, 51775), (1090, 47120), (1178, 43600), (1240, 41420), (1520, 33790), (1550, 33136), (1744, 29450), (1900, 27032), (2071, 24800), (2180, 23560), (2356, 21800), (2480, 20710), (2725, 18848), (2945, 17440), (3040, 16895), (3100, 16568), (3379, 15200), (3488, 14725), (3800, 13516), (4142, 12400), (4360, 11780), (4712, 10900), (4960, 10355), (5450, 9424), (5890, 8720), (6200, 8284), (6758, 7600)]