75640000

素因数分解:

$2^6\times 5^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 140

約数和(自身を含む): 196787008

約数和(自身を除く): 121147008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 61, 62, 64, 80, 100, 122, 124, 125, 155, 160, 200, 244, 248, 250, 305, 310, 320, 400, 488, 496, 500, 610, 620, 625, 775, 800, 976, 992, 1000, 1220, 1240, 1250, 1525, 1550, 1600, 1891, 1952, 1984, 2000, 2440, 2480, 2500, 3050, 3100, 3782, 3875, 3904, 4000, 4880, 4960, 5000, 6100, 6200, 7564, 7625, 7750, 8000, 9455, 9760, 9920, 10000, 12200, 12400, 15128, 15250, 15500, 18910, 19375, 19520, 20000, 24400, 24800, 30256, 30500, 31000, 37820, 38125, 38750, 40000, 47275, 48800, 49600, 60512, 61000, 62000, 75640, 76250, 77500, 94550, 97600, 121024, 122000, 124000, 151280, 152500, 155000, 189100, 236375, 244000, 248000, 302560, 305000, 310000, 378200, 472750, 488000, 605120, 610000, 620000, 756400, 945500, 1181875, 1220000, 1240000, 1512800, 1891000, 2363750, 2440000, 3025600, 3782000, 4727500, 7564000, 9455000, 15128000, 18910000, 37820000, 75640000]

約数ペア:

[(1, 75640000), (2, 37820000), (4, 18910000), (5, 15128000), (8, 9455000), (10, 7564000), (16, 4727500), (20, 3782000), (25, 3025600), (31, 2440000), (32, 2363750), (40, 1891000), (50, 1512800), (61, 1240000), (62, 1220000), (64, 1181875), (80, 945500), (100, 756400), (122, 620000), (124, 610000), (125, 605120), (155, 488000), (160, 472750), (200, 378200), (244, 310000), (248, 305000), (250, 302560), (305, 248000), (310, 244000), (320, 236375), (400, 189100), (488, 155000), (496, 152500), (500, 151280), (610, 124000), (620, 122000), (625, 121024), (775, 97600), (800, 94550), (976, 77500), (992, 76250), (1000, 75640), (1220, 62000), (1240, 61000), (1250, 60512), (1525, 49600), (1550, 48800), (1600, 47275), (1891, 40000), (1952, 38750), (1984, 38125), (2000, 37820), (2440, 31000), (2480, 30500), (2500, 30256), (3050, 24800), (3100, 24400), (3782, 20000), (3875, 19520), (3904, 19375), (4000, 18910), (4880, 15500), (4960, 15250), (5000, 15128), (6100, 12400), (6200, 12200), (7564, 10000), (7625, 9920), (7750, 9760), (8000, 9455)]