251017320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 771120000

約数和(自身を除く): 520102680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 139, 149, 202, 278, 298, 303, 404, 417, 447, 505, 556, 596, 606, 695, 745, 808, 834, 894, 1010, 1112, 1192, 1212, 1390, 1490, 1515, 1668, 1788, 2020, 2085, 2235, 2424, 2780, 2980, 3030, 3336, 3576, 4040, 4170, 4470, 5560, 5960, 6060, 8340, 8940, 12120, 14039, 15049, 16680, 17880, 20711, 28078, 30098, 41422, 42117, 45147, 56156, 60196, 62133, 70195, 75245, 82844, 84234, 90294, 103555, 112312, 120392, 124266, 140390, 150490, 165688, 168468, 180588, 207110, 210585, 225735, 248532, 280780, 300980, 310665, 336936, 361176, 414220, 421170, 451470, 497064, 561560, 601960, 621330, 828440, 842340, 902940, 1242660, 1684680, 1805880, 2091811, 2485320, 4183622, 6275433, 8367244, 10459055, 12550866, 16734488, 20918110, 25101732, 31377165, 41836220, 50203464, 62754330, 83672440, 125508660, 251017320]

約数ペア:

[(1, 251017320), (2, 125508660), (3, 83672440), (4, 62754330), (5, 50203464), (6, 41836220), (8, 31377165), (10, 25101732), (12, 20918110), (15, 16734488), (20, 12550866), (24, 10459055), (30, 8367244), (40, 6275433), (60, 4183622), (101, 2485320), (120, 2091811), (139, 1805880), (149, 1684680), (202, 1242660), (278, 902940), (298, 842340), (303, 828440), (404, 621330), (417, 601960), (447, 561560), (505, 497064), (556, 451470), (596, 421170), (606, 414220), (695, 361176), (745, 336936), (808, 310665), (834, 300980), (894, 280780), (1010, 248532), (1112, 225735), (1192, 210585), (1212, 207110), (1390, 180588), (1490, 168468), (1515, 165688), (1668, 150490), (1788, 140390), (2020, 124266), (2085, 120392), (2235, 112312), (2424, 103555), (2780, 90294), (2980, 84234), (3030, 82844), (3336, 75245), (3576, 70195), (4040, 62133), (4170, 60196), (4470, 56156), (5560, 45147), (5960, 42117), (6060, 41422), (8340, 30098), (8940, 28078), (12120, 20711), (14039, 17880), (15049, 16680)]