78273920

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:236

約数の個数: 128

約数和(自身を含む): 203061600

約数和(自身を除く): 124787680

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 41, 64, 76, 80, 82, 95, 128, 152, 157, 160, 164, 190, 205, 304, 314, 320, 328, 380, 410, 608, 628, 640, 656, 760, 779, 785, 820, 1216, 1256, 1312, 1520, 1558, 1570, 1640, 2432, 2512, 2624, 2983, 3040, 3116, 3140, 3280, 3895, 5024, 5248, 5966, 6080, 6232, 6280, 6437, 6560, 7790, 10048, 11932, 12160, 12464, 12560, 12874, 13120, 14915, 15580, 20096, 23864, 24928, 25120, 25748, 26240, 29830, 31160, 32185, 47728, 49856, 50240, 51496, 59660, 62320, 64370, 95456, 99712, 100480, 102992, 119320, 122303, 124640, 128740, 190912, 205984, 238640, 244606, 249280, 257480, 381824, 411968, 477280, 489212, 498560, 514960, 611515, 823936, 954560, 978424, 1029920, 1223030, 1909120, 1956848, 2059840, 2446060, 3913696, 4119680, 4892120, 7827392, 9784240, 15654784, 19568480, 39136960, 78273920]

約数ペア:

[(1, 78273920), (2, 39136960), (4, 19568480), (5, 15654784), (8, 9784240), (10, 7827392), (16, 4892120), (19, 4119680), (20, 3913696), (32, 2446060), (38, 2059840), (40, 1956848), (41, 1909120), (64, 1223030), (76, 1029920), (80, 978424), (82, 954560), (95, 823936), (128, 611515), (152, 514960), (157, 498560), (160, 489212), (164, 477280), (190, 411968), (205, 381824), (304, 257480), (314, 249280), (320, 244606), (328, 238640), (380, 205984), (410, 190912), (608, 128740), (628, 124640), (640, 122303), (656, 119320), (760, 102992), (779, 100480), (785, 99712), (820, 95456), (1216, 64370), (1256, 62320), (1312, 59660), (1520, 51496), (1558, 50240), (1570, 49856), (1640, 47728), (2432, 32185), (2512, 31160), (2624, 29830), (2983, 26240), (3040, 25748), (3116, 25120), (3140, 24928), (3280, 23864), (3895, 20096), (5024, 15580), (5248, 14915), (5966, 13120), (6080, 12874), (6232, 12560), (6280, 12464), (6437, 12160), (6560, 11932), (7790, 10048)]