15128000

素因数分解:

$2^6\times 5^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:119

約数の個数: 112

約数和(自身を含む): 39307008

約数和(自身を除く): 24179008

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, 775, 800, 976, 992, 1000, 1220, 1240, 1525, 1550, 1600, 1891, 1952, 1984, 2000, 2440, 2480, 3050, 3100, 3782, 3875, 3904, 4000, 4880, 4960, 6100, 6200, 7564, 7625, 7750, 8000, 9455, 9760, 9920, 12200, 12400, 15128, 15250, 15500, 18910, 19520, 24400, 24800, 30256, 30500, 31000, 37820, 47275, 48800, 49600, 60512, 61000, 62000, 75640, 94550, 97600, 121024, 122000, 124000, 151280, 189100, 236375, 244000, 248000, 302560, 378200, 472750, 488000, 605120, 756400, 945500, 1512800, 1891000, 3025600, 3782000, 7564000, 15128000]

約数ペア:

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