79990449920

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{7043}}^1$

素因数の和:7550

約数の個数: 144

約数和(自身を含む): 202147021440

約数和(自身を除く): 122156571520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 467, 608, 640, 760, 934, 1216, 1280, 1520, 1868, 2335, 2432, 3040, 3736, 4670, 4864, 6080, 7043, 7472, 8873, 9340, 12160, 14086, 14944, 17746, 18680, 24320, 28172, 29888, 35215, 35492, 37360, 44365, 56344, 59776, 70430, 70984, 74720, 88730, 112688, 119552, 133817, 140860, 141968, 149440, 177460, 225376, 267634, 281720, 283936, 298880, 354920, 450752, 535268, 563440, 567872, 597760, 669085, 709840, 901504, 1070536, 1126880, 1135744, 1338170, 1419680, 1803008, 2141072, 2253760, 2271488, 2676340, 2839360, 3289081, 4282144, 4507520, 5352680, 5678720, 6578162, 8564288, 9015040, 10705360, 11357440, 13156324, 16445405, 17128576, 21410720, 26312648, 32890810, 34257152, 42821440, 52625296, 62492539, 65781620, 85642880, 105250592, 124985078, 131563240, 171285760, 210501184, 249970156, 263126480, 312462695, 421002368, 499940312, 526252960, 624925390, 842004736, 999880624, 1052505920, 1249850780, 1999761248, 2105011840, 2499701560, 3999522496, 4210023680, 4999403120, 7999044992, 9998806240, 15998089984, 19997612480, 39995224960, 79990449920]

約数ペア:

[(1, 79990449920), (2, 39995224960), (4, 19997612480), (5, 15998089984), (8, 9998806240), (10, 7999044992), (16, 4999403120), (19, 4210023680), (20, 3999522496), (32, 2499701560), (38, 2105011840), (40, 1999761248), (64, 1249850780), (76, 1052505920), (80, 999880624), (95, 842004736), (128, 624925390), (152, 526252960), (160, 499940312), (190, 421002368), (256, 312462695), (304, 263126480), (320, 249970156), (380, 210501184), (467, 171285760), (608, 131563240), (640, 124985078), (760, 105250592), (934, 85642880), (1216, 65781620), (1280, 62492539), (1520, 52625296), (1868, 42821440), (2335, 34257152), (2432, 32890810), (3040, 26312648), (3736, 21410720), (4670, 17128576), (4864, 16445405), (6080, 13156324), (7043, 11357440), (7472, 10705360), (8873, 9015040), (9340, 8564288), (12160, 6578162), (14086, 5678720), (14944, 5352680), (17746, 4507520), (18680, 4282144), (24320, 3289081), (28172, 2839360), (29888, 2676340), (35215, 2271488), (35492, 2253760), (37360, 2141072), (44365, 1803008), (56344, 1419680), (59776, 1338170), (70430, 1135744), (70984, 1126880), (74720, 1070536), (88730, 901504), (112688, 709840), (119552, 669085), (133817, 597760), (140860, 567872), (141968, 563440), (149440, 535268), (177460, 450752), (225376, 354920), (267634, 298880), (281720, 283936)]