15678855080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{19157}}^1$

素因数の和:19291

約数の個数: 128

約数和(自身を含む): 41933030400

約数和(自身を除く): 26254175320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 79, 140, 148, 158, 185, 259, 280, 296, 316, 370, 395, 518, 553, 632, 740, 790, 1036, 1106, 1295, 1480, 1580, 2072, 2212, 2590, 2765, 2923, 3160, 4424, 5180, 5530, 5846, 10360, 11060, 11692, 14615, 19157, 20461, 22120, 23384, 29230, 38314, 40922, 58460, 76628, 81844, 95785, 102305, 116920, 134099, 153256, 163688, 191570, 204610, 268198, 383140, 409220, 536396, 670495, 708809, 766280, 818440, 1072792, 1340990, 1417618, 1513403, 2681980, 2835236, 3026806, 3544045, 4961663, 5363960, 5670472, 6053612, 7088090, 7567015, 9923326, 10593821, 12107224, 14176180, 15134030, 19846652, 21187642, 24808315, 28352360, 30268060, 39693304, 42375284, 49616630, 52969105, 55995911, 60536120, 84750568, 99233260, 105938210, 111991822, 198466520, 211876420, 223983644, 279979555, 391971377, 423752840, 447967288, 559959110, 783942754, 1119918220, 1567885508, 1959856885, 2239836440, 3135771016, 3919713770, 7839427540, 15678855080]

約数ペア:

[(1, 15678855080), (2, 7839427540), (4, 3919713770), (5, 3135771016), (7, 2239836440), (8, 1959856885), (10, 1567885508), (14, 1119918220), (20, 783942754), (28, 559959110), (35, 447967288), (37, 423752840), (40, 391971377), (56, 279979555), (70, 223983644), (74, 211876420), (79, 198466520), (140, 111991822), (148, 105938210), (158, 99233260), (185, 84750568), (259, 60536120), (280, 55995911), (296, 52969105), (316, 49616630), (370, 42375284), (395, 39693304), (518, 30268060), (553, 28352360), (632, 24808315), (740, 21187642), (790, 19846652), (1036, 15134030), (1106, 14176180), (1295, 12107224), (1480, 10593821), (1580, 9923326), (2072, 7567015), (2212, 7088090), (2590, 6053612), (2765, 5670472), (2923, 5363960), (3160, 4961663), (4424, 3544045), (5180, 3026806), (5530, 2835236), (5846, 2681980), (10360, 1513403), (11060, 1417618), (11692, 1340990), (14615, 1072792), (19157, 818440), (20461, 766280), (22120, 708809), (23384, 670495), (29230, 536396), (38314, 409220), (40922, 383140), (58460, 268198), (76628, 204610), (81844, 191570), (95785, 163688), (102305, 153256), (116920, 134099)]