888945920

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:308

約数の個数: 144

約数和(自身を含む): 2207520000

約数和(自身を除く): 1318574080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 79, 80, 118, 128, 149, 158, 160, 236, 256, 295, 298, 316, 320, 395, 472, 590, 596, 632, 640, 745, 790, 944, 1180, 1192, 1264, 1280, 1490, 1580, 1888, 2360, 2384, 2528, 2980, 3160, 3776, 4661, 4720, 4768, 5056, 5960, 6320, 7552, 8791, 9322, 9440, 9536, 10112, 11771, 11920, 12640, 15104, 17582, 18644, 18880, 19072, 20224, 23305, 23542, 23840, 25280, 35164, 37288, 37760, 38144, 43955, 46610, 47084, 47680, 50560, 58855, 70328, 74576, 75520, 87910, 93220, 94168, 95360, 101120, 117710, 140656, 149152, 175820, 186440, 188336, 190720, 235420, 281312, 298304, 351640, 372880, 376672, 470840, 562624, 596608, 694489, 703280, 745760, 753344, 941680, 1125248, 1193216, 1388978, 1406560, 1491520, 1506688, 1883360, 2250496, 2777956, 2813120, 2983040, 3013376, 3472445, 3766720, 5555912, 5626240, 5966080, 6944890, 7533440, 11111824, 11252480, 13889780, 15066880, 22223648, 27779560, 44447296, 55559120, 88894592, 111118240, 177789184, 222236480, 444472960, 888945920]

約数ペア:

[(1, 888945920), (2, 444472960), (4, 222236480), (5, 177789184), (8, 111118240), (10, 88894592), (16, 55559120), (20, 44447296), (32, 27779560), (40, 22223648), (59, 15066880), (64, 13889780), (79, 11252480), (80, 11111824), (118, 7533440), (128, 6944890), (149, 5966080), (158, 5626240), (160, 5555912), (236, 3766720), (256, 3472445), (295, 3013376), (298, 2983040), (316, 2813120), (320, 2777956), (395, 2250496), (472, 1883360), (590, 1506688), (596, 1491520), (632, 1406560), (640, 1388978), (745, 1193216), (790, 1125248), (944, 941680), (1180, 753344), (1192, 745760), (1264, 703280), (1280, 694489), (1490, 596608), (1580, 562624), (1888, 470840), (2360, 376672), (2384, 372880), (2528, 351640), (2980, 298304), (3160, 281312), (3776, 235420), (4661, 190720), (4720, 188336), (4768, 186440), (5056, 175820), (5960, 149152), (6320, 140656), (7552, 117710), (8791, 101120), (9322, 95360), (9440, 94168), (9536, 93220), (10112, 87910), (11771, 75520), (11920, 74576), (12640, 70328), (15104, 58855), (17582, 50560), (18644, 47680), (18880, 47084), (19072, 46610), (20224, 43955), (23305, 38144), (23542, 37760), (23840, 37288), (25280, 35164)]