39740160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 144

約数和(自身を含む): 129507840

約数和(自身を除く): 89767680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 79, 80, 96, 120, 128, 131, 158, 160, 192, 237, 240, 256, 262, 316, 320, 384, 393, 395, 474, 480, 524, 632, 640, 655, 768, 786, 790, 948, 960, 1048, 1185, 1264, 1280, 1310, 1572, 1580, 1896, 1920, 1965, 2096, 2370, 2528, 2620, 3144, 3160, 3792, 3840, 3930, 4192, 4740, 5056, 5240, 6288, 6320, 7584, 7860, 8384, 9480, 10112, 10349, 10480, 12576, 12640, 15168, 15720, 16768, 18960, 20224, 20698, 20960, 25152, 25280, 30336, 31047, 31440, 33536, 37920, 41396, 41920, 50304, 50560, 51745, 60672, 62094, 62880, 75840, 82792, 83840, 100608, 101120, 103490, 124188, 125760, 151680, 155235, 165584, 167680, 206980, 248376, 251520, 303360, 310470, 331168, 413960, 496752, 503040, 620940, 662336, 827920, 993504, 1241880, 1324672, 1655840, 1987008, 2483760, 2649344, 3311680, 3974016, 4967520, 6623360, 7948032, 9935040, 13246720, 19870080, 39740160]

約数ペア:

[(1, 39740160), (2, 19870080), (3, 13246720), (4, 9935040), (5, 7948032), (6, 6623360), (8, 4967520), (10, 3974016), (12, 3311680), (15, 2649344), (16, 2483760), (20, 1987008), (24, 1655840), (30, 1324672), (32, 1241880), (40, 993504), (48, 827920), (60, 662336), (64, 620940), (79, 503040), (80, 496752), (96, 413960), (120, 331168), (128, 310470), (131, 303360), (158, 251520), (160, 248376), (192, 206980), (237, 167680), (240, 165584), (256, 155235), (262, 151680), (316, 125760), (320, 124188), (384, 103490), (393, 101120), (395, 100608), (474, 83840), (480, 82792), (524, 75840), (632, 62880), (640, 62094), (655, 60672), (768, 51745), (786, 50560), (790, 50304), (948, 41920), (960, 41396), (1048, 37920), (1185, 33536), (1264, 31440), (1280, 31047), (1310, 30336), (1572, 25280), (1580, 25152), (1896, 20960), (1920, 20698), (1965, 20224), (2096, 18960), (2370, 16768), (2528, 15720), (2620, 15168), (3144, 12640), (3160, 12576), (3792, 10480), (3840, 10349), (3930, 10112), (4192, 9480), (4740, 8384), (5056, 7860), (5240, 7584), (6288, 6320)]